Vulnerability-Lookup

CVE-2024-49903 (GCVE-0-2024-49903)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-12 11:59

Title

jfs: Fix uaf in dbFreeBits

Summary

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uaf in dbFreeBits [syzbot reported] ================================================================== BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline] BUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 Read of size 8 at addr ffff8880229254b0 by task syz-executor357/5216 CPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __mutex_lock_common kernel/locking/mutex.c:587 [inline] __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline] dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409 dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650 jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100 jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 Freed by task 5218: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2252 [inline] slab_free mm/slub.c:4473 [inline] kfree+0x149/0x360 mm/slub.c:4594 dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278 jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247 jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454 reconfigure_super+0x445/0x880 fs/super.c:1083 vfs_cmd_reconfigure fs/fsopen.c:263 [inline] vfs_fsconfig_locked fs/fsopen.c:292 [inline] __do_sys_fsconfig fs/fsopen.c:473 [inline] __se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f [Analysis] There are two paths (dbUnmount and jfs_ioc_trim) that generate race condition when accessing bmap, which leads to the occurrence of uaf. Use the lock s_umount to synchronize them, in order to avoid uaf caused by race condition.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-22 13:42 UTC

Assigner

Linux mitre root

References

13 references

URL	Tags
https://git.kernel.org/stable/c/4ac58f7734937f324…
https://git.kernel.org/stable/c/3126ccde51f51b064…
https://git.kernel.org/stable/c/fd026b6b6758d5569…
https://git.kernel.org/stable/c/e7ae14f7ee76c6ef5…
https://git.kernel.org/stable/c/0c238da83f56bb895…
https://git.kernel.org/stable/c/4218b31ecc7af7e19…
https://git.kernel.org/stable/c/a9603a6f75df2fd81…
https://git.kernel.org/stable/c/95accb7183badca38…
https://git.kernel.org/stable/c/d6c1b3599b2feb5c7…
https://lists.debian.org/debian-lts-announce/2025…
https://lists.debian.org/debian-lts-announce/2025…
https://cert-portal.siemens.com/productcert/html/…
https://cert-portal.siemens.com/productcert/html/…

Impacted products

6 products

Vendor	Product	Version	CPE status
Linux	Linux	Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < 4ac58f7734937f3249da734ede946dfb3b1af5e4 (git) Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < 3126ccde51f51b0648c8cdccaf916e8bd062e972 (git) Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < fd026b6b6758d5569705c02540b40f3bbf822b9a (git) Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < e7ae14f7ee76c6ef5a48aebab1a278ad78f42619 (git) Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < 0c238da83f56bb895cab1e5851d034ac45b158d1 (git) Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < 4218b31ecc7af7e191768d32e32ed4386d8f9b76 (git) Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < a9603a6f75df2fd8125cd208c98cfaa0fe3f7505 (git) Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < 95accb7183badca387f7a8d19a2475cf3089f148 (git) Affected: b40c2e665cd552eae5fbdbb878bc29a34357668e , < d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234 (git)	guessed
Linux	Linux	Affected: 3.7 Unaffected: 0 , < 3.7 (semver) Unaffected: 4.19.323 , ≤ 4.19.* (semver) Unaffected: 5.4.285 , ≤ 5.4.* (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix)	guessed
Siemens	RUGGEDCOM RST2428P	Unaffected: 0 , < * (custom)	guessed
Siemens	SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family	Unaffected: 0 , < * (custom)	guessed
Siemens	SCALANCE XCM-/XRM-/XCH-/XRH-300 family	Unaffected: 0 , < * (custom)	guessed
Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux subsystem	Affected: 0 , < * (custom)	guessed

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix uaf in dbFreeBits\n\n[syzbot reported]\n==================================================================\nBUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline]\nBUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752\nRead of size 8 at addr ffff8880229254b0 by task syz-executor357/5216\n\nCPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:93 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n __mutex_lock_common kernel/locking/mutex.c:587 [inline]\n __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752\n dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390\n dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline]\n dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409\n dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650\n jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100\n jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:907 [inline]\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n\nFreed by task 5218:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579\n poison_slab_object+0xe0/0x150 mm/kasan/common.c:240\n __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256\n kasan_slab_free include/linux/kasan.h:184 [inline]\n slab_free_hook mm/slub.c:2252 [inline]\n slab_free mm/slub.c:4473 [inline]\n kfree+0x149/0x360 mm/slub.c:4594\n dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278\n jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247\n jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454\n reconfigure_super+0x445/0x880 fs/super.c:1083\n vfs_cmd_reconfigure fs/fsopen.c:263 [inline]\n vfs_fsconfig_locked fs/fsopen.c:292 [inline]\n __do_sys_fsconfig fs/fsopen.c:473 [inline]\n __se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\n[Analysis]\nThere are two paths (dbUnmount and jfs_ioc_trim) that generate race\ncondition when accessing bmap, which leads to the occurrence of uaf.\n\nUse the lock s_umount to synchronize them, in order to avoid uaf caused\nby race condition."
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  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-49903",
      "date": "2026-09-16",
      "epss": "0.00255",
      "percentile": "0.17221"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"5.10.227\", \"matchCriteriaId\": \"EB525A44-6338-4857-AD90-EA2860D1AD1F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.11\", \"versionEndExcluding\": \"5.15.168\", \"matchCriteriaId\": \"4D51C05D-455B-4D8D-89E7-A58E140B864C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.16\", \"versionEndExcluding\": \"6.1.113\", \"matchCriteriaId\": \"D01BD22E-ACD1-4618-9D01-6116570BE1EE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2\", \"versionEndExcluding\": \"6.6.55\", \"matchCriteriaId\": \"E90B9576-56C4-47BC-AAB0-C5B2D438F5D0\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.7\", \"versionEndExcluding\": \"6.10.14\", \"matchCriteriaId\": \"4C16BCE0-FFA0-4599-BE0A-1FD65101C021\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.11\", \"versionEndExcluding\": \"6.11.3\", \"matchCriteriaId\": \"54D9C704-D679-41A7-9C40-10A6B1E7FFE9\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\njfs: Fix uaf in dbFreeBits\\n\\n[syzbot reported]\\n==================================================================\\nBUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline]\\nBUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752\\nRead of size 8 at addr ffff8880229254b0 by task syz-executor357/5216\\n\\nCPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024\\nCall Trace:\\n \u003cTASK\u003e\\n __dump_stack lib/dump_stack.c:93 [inline]\\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119\\n print_address_description mm/kasan/report.c:377 [inline]\\n print_report+0x169/0x550 mm/kasan/report.c:488\\n kasan_report+0x143/0x180 mm/kasan/report.c:601\\n __mutex_lock_common kernel/locking/mutex.c:587 [inline]\\n __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752\\n dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390\\n dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline]\\n dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409\\n dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650\\n jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100\\n jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131\\n vfs_ioctl fs/ioctl.c:51 [inline]\\n __do_sys_ioctl fs/ioctl.c:907 [inline]\\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\\n\\nFreed by task 5218:\\n kasan_save_stack mm/kasan/common.c:47 [inline]\\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\\n kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579\\n poison_slab_object+0xe0/0x150 mm/kasan/common.c:240\\n __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256\\n kasan_slab_free include/linux/kasan.h:184 [inline]\\n slab_free_hook mm/slub.c:2252 [inline]\\n slab_free mm/slub.c:4473 [inline]\\n kfree+0x149/0x360 mm/slub.c:4594\\n dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278\\n jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247\\n jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454\\n reconfigure_super+0x445/0x880 fs/super.c:1083\\n vfs_cmd_reconfigure fs/fsopen.c:263 [inline]\\n vfs_fsconfig_locked fs/fsopen.c:292 [inline]\\n __do_sys_fsconfig fs/fsopen.c:473 [inline]\\n __se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\n[Analysis]\\nThere are two paths (dbUnmount and jfs_ioc_trim) that generate race\\ncondition when accessing bmap, which leads to the occurrence of uaf.\\n\\nUse the lock s_umount to synchronize them, in order to avoid uaf caused\\nby race condition.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jfs: Correcci\\u00f3n de uaf en dbFreeBits [informado por syzbot] ====================================================================== ERROR: KASAN: slab-use-after-free en __mutex_lock_common kernel/locking/mutex.c:587 [en l\\u00ednea] ERROR: KASAN: slab-use-after-free en __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 Lectura de tama\\u00f1o 8 en la direcci\\u00f3n ffff8880229254b0 por la tarea syz-executor357/5216 CPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 No contaminado 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/06/2024 Seguimiento de llamadas:  __dump_stack lib/dump_stack.c:93 [en l\\u00ednea] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [en l\\u00ednea] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __mutex_lock_common kernel/locking/mutex.c:587 [en l\\u00ednea] __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [en l\\u00ednea] dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409 dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650 jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100 jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [en l\\u00ednea] __do_sys_ioctl fs/ioctl.c:907 [en l\\u00ednea] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [en l\\u00ednea] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 Liberado por la tarea 5218: kasan_save_stack mm/kasan/common.c:47 [en l\\u00ednea] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [en l\\u00ednea] slab_free_hook mm/slub.c:2252 [en l\\u00ednea] slab_free mm/slub.c:4473 [en l\\u00ednea] kfree+0x149/0x360 mm/slub.c:4594 dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278 jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247 jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454 reconfigure_super+0x445/0x880 fs/super.c:1083 vfs_cmd_reconfigure fs/fsopen.c:263 [en l\\u00ednea] vfs_fsconfig_locked fs/fsopen.c:292 [en l\\u00ednea] __do_sys_fsconfig fs/fsopen.c:473 [en l\\u00ednea] __se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345 do_syscall_x64 arch/x86/entry/common.c:52 [en l\\u00ednea] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f [An\\u00e1lisis] Hay dos rutas (dbUnmount y jfs_ioc_trim) que generan una condici\\u00f3n de ejecuci\\u00f3n al acceder a bmap, lo que lleva a la ocurrencia de uaf. Utilice el bloqueo s_umount para sincronizarlas, a fin de evitar uaf causado por una condici\\u00f3n de ejecuci\\u00f3n.\"}]",
      "id": "CVE-2024-49903",
      "lastModified": "2024-11-08T16:15:31.467",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.0, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.0, \"impactScore\": 5.9}]}",
      "published": "2024-10-21T18:15:12.873",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/0c238da83f56bb895cab1e5851d034ac45b158d1\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/3126ccde51f51b0648c8cdccaf916e8bd062e972\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/4218b31ecc7af7e191768d32e32ed4386d8f9b76\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/4ac58f7734937f3249da734ede946dfb3b1af5e4\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/95accb7183badca387f7a8d19a2475cf3089f148\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/a9603a6f75df2fd8125cd208c98cfaa0fe3f7505\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e7ae14f7ee76c6ef5a48aebab1a278ad78f42619\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/fd026b6b6758d5569705c02540b40f3bbf822b9a\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2026-02-18T01:45:45.000Z",
      "cve": "CVE-2024-49903",
      "id": "msrc_CVE-2024-49903",
      "initial_release_date": "2024-10-01T07:00:00.000Z",
      "product_status:fixed": "5",
      "product_status:known_affected": "5",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "jfs: Fix uaf in dbFreeBits",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-49903.json",
      "version": "3"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-49903\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-10-21T18:15:12.873\",\"lastModified\":\"2026-06-17T08:00:42.170\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\njfs: Fix uaf in dbFreeBits\\n\\n[syzbot reported]\\n==================================================================\\nBUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline]\\nBUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752\\nRead of size 8 at addr ffff8880229254b0 by task syz-executor357/5216\\n\\nCPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024\\nCall Trace:\\n \u003cTASK\u003e\\n __dump_stack lib/dump_stack.c:93 [inline]\\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119\\n print_address_description mm/kasan/report.c:377 [inline]\\n print_report+0x169/0x550 mm/kasan/report.c:488\\n kasan_report+0x143/0x180 mm/kasan/report.c:601\\n __mutex_lock_common kernel/locking/mutex.c:587 [inline]\\n __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752\\n dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390\\n dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline]\\n dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409\\n dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650\\n jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100\\n jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131\\n vfs_ioctl fs/ioctl.c:51 [inline]\\n __do_sys_ioctl fs/ioctl.c:907 [inline]\\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\\n\\nFreed by task 5218:\\n kasan_save_stack mm/kasan/common.c:47 [inline]\\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\\n kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579\\n poison_slab_object+0xe0/0x150 mm/kasan/common.c:240\\n __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256\\n kasan_slab_free include/linux/kasan.h:184 [inline]\\n slab_free_hook mm/slub.c:2252 [inline]\\n slab_free mm/slub.c:4473 [inline]\\n kfree+0x149/0x360 mm/slub.c:4594\\n dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278\\n jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247\\n jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454\\n reconfigure_super+0x445/0x880 fs/super.c:1083\\n vfs_cmd_reconfigure fs/fsopen.c:263 [inline]\\n vfs_fsconfig_locked fs/fsopen.c:292 [inline]\\n __do_sys_fsconfig fs/fsopen.c:473 [inline]\\n __se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\n[Analysis]\\nThere are two paths (dbUnmount and jfs_ioc_trim) that generate race\\ncondition when accessing bmap, which leads to the occurrence of uaf.\\n\\nUse the lock s_umount to synchronize them, in order to avoid uaf caused\\nby race condition.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jfs: Correcci\u00f3n de uaf en dbFreeBits [informado por syzbot] ====================================================================== ERROR: KASAN: slab-use-after-free en __mutex_lock_common kernel/locking/mutex.c:587 [en l\u00ednea] ERROR: KASAN: slab-use-after-free en __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff8880229254b0 por la tarea syz-executor357/5216 CPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 No contaminado 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/06/2024 Seguimiento de llamadas:  __dump_stack lib/dump_stack.c:93 [en l\u00ednea] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [en l\u00ednea] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __mutex_lock_common kernel/locking/mutex.c:587 [en l\u00ednea] __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [en l\u00ednea] dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409 dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650 jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100 jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [en l\u00ednea] __do_sys_ioctl fs/ioctl.c:907 [en l\u00ednea] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 Liberado por la tarea 5218: kasan_save_stack mm/kasan/common.c:47 [en l\u00ednea] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [en l\u00ednea] slab_free_hook mm/slub.c:2252 [en l\u00ednea] slab_free mm/slub.c:4473 [en l\u00ednea] kfree+0x149/0x360 mm/slub.c:4594 dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278 jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247 jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454 reconfigure_super+0x445/0x880 fs/super.c:1083 vfs_cmd_reconfigure fs/fsopen.c:263 [en l\u00ednea] vfs_fsconfig_locked fs/fsopen.c:292 [en l\u00ednea] __do_sys_fsconfig fs/fsopen.c:473 [en l\u00ednea] __se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f [An\u00e1lisis] Hay dos rutas (dbUnmount y jfs_ioc_trim) que generan una condici\u00f3n de ejecuci\u00f3n al acceder a bmap, lo que lleva a la ocurrencia de uaf. Utilice el bloqueo s_umount para sincronizarlas, a fin de evitar uaf causado por una condici\u00f3n de ejecuci\u00f3n.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/jfs/jfs_discard.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"4ac58f7734937f3249da734ede946dfb3b1af5e4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"3126ccde51f51b0648c8cdccaf916e8bd062e972\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"fd026b6b6758d5569705c02540b40f3bbf822b9a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"e7ae14f7ee76c6ef5a48aebab1a278ad78f42619\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"0c238da83f56bb895cab1e5851d034ac45b158d1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"4218b31ecc7af7e191768d32e32ed4386d8f9b76\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"a9603a6f75df2fd8125cd208c98cfaa0fe3f7505\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"95accb7183badca387f7a8d19a2475cf3089f148\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b40c2e665cd552eae5fbdbb878bc29a34357668e\",\"lessThan\":\"d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/jfs/jfs_discard.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.7\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.7\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.323\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.285\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.227\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.168\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.113\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.55\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10.14\",\"lessThanOrEqual\":\"6.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.3\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"RUGGEDCOM RST2428P\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XCM-/XRM-/XCH-/XRH-300 family\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-10-22T13:42:37.771677Z\",\"id\":\"CVE-2024-49903\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.10.227\",\"matchCriteriaId\":\"EB525A44-6338-4857-AD90-EA2860D1AD1F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.168\",\"matchCriteriaId\":\"4D51C05D-455B-4D8D-89E7-A58E140B864C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.113\",\"matchCriteriaId\":\"D01BD22E-ACD1-4618-9D01-6116570BE1EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.55\",\"matchCriteriaId\":\"E90B9576-56C4-47BC-AAB0-C5B2D438F5D0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.14\",\"matchCriteriaId\":\"4C16BCE0-FFA0-4599-BE0A-1FD65101C021\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11\",\"versionEndExcluding\":\"6.11.3\",\"matchCriteriaId\":\"54D9C704-D679-41A7-9C40-10A6B1E7FFE9\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0c238da83f56bb895cab1e5851d034ac45b158d1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3126ccde51f51b0648c8cdccaf916e8bd062e972\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4218b31ecc7af7e191768d32e32ed4386d8f9b76\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4ac58f7734937f3249da734ede946dfb3b1af5e4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/95accb7183badca387f7a8d19a2475cf3089f148\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a9603a6f75df2fd8125cd208c98cfaa0fe3f7505\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e7ae14f7ee76c6ef5a48aebab1a278ad78f42619\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fd026b6b6758d5569705c02540b40f3bbf822b9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-355557.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:21:34+00:00",
      "cve": "CVE-2024-49903",
      "id": "CVE-2024-49903",
      "initial_release_date": "2024-10-21T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: jfs: Fix uaf in dbFreeBits",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-49903.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-30T02:20:59Z",
      "cve": "CVE-2024-49903",
      "id": "CVE-2024-49903",
      "initial_release_date": "2024-10-26T03:02:26Z",
      "product_status:known_affected": "354",
      "product_status:known_not_affected": "258",
      "product_status:recommended": "636",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-49903",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-49903.json",
      "version": "63"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:23:05.835Z\"}}, {\"affected\": [{\"vendor\": \"Siemens\", \"product\": \"RUGGEDCOM RST2428P\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SCALANCE XCM-/XRM-/XCH-/XRH-300 family\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"x_adpType\": \"supplier\", \"references\": [{\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-355557.html\"}], \"providerMetadata\": {\"orgId\": \"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\", \"shortName\": \"siemens-SADP\", \"dateUpdated\": \"2026-05-12T11:59:01.170Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-49903\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:42:37.771677Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:42:41.244Z\"}}], \"cna\": {\"title\": \"jfs: Fix uaf in dbFreeBits\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"4ac58f7734937f3249da734ede946dfb3b1af5e4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"3126ccde51f51b0648c8cdccaf916e8bd062e972\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"fd026b6b6758d5569705c02540b40f3bbf822b9a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"e7ae14f7ee76c6ef5a48aebab1a278ad78f42619\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"0c238da83f56bb895cab1e5851d034ac45b158d1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"4218b31ecc7af7e191768d32e32ed4386d8f9b76\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"a9603a6f75df2fd8125cd208c98cfaa0fe3f7505\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"95accb7183badca387f7a8d19a2475cf3089f148\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b40c2e665cd552eae5fbdbb878bc29a34357668e\", \"lessThan\": \"d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/jfs/jfs_discard.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.323\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.285\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.227\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.168\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.55\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/jfs/jfs_discard.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/4ac58f7734937f3249da734ede946dfb3b1af5e4\"}, {\"url\": \"https://git.kernel.org/stable/c/3126ccde51f51b0648c8cdccaf916e8bd062e972\"}, {\"url\": \"https://git.kernel.org/stable/c/fd026b6b6758d5569705c02540b40f3bbf822b9a\"}, {\"url\": \"https://git.kernel.org/stable/c/e7ae14f7ee76c6ef5a48aebab1a278ad78f42619\"}, {\"url\": \"https://git.kernel.org/stable/c/0c238da83f56bb895cab1e5851d034ac45b158d1\"}, {\"url\": \"https://git.kernel.org/stable/c/4218b31ecc7af7e191768d32e32ed4386d8f9b76\"}, {\"url\": \"https://git.kernel.org/stable/c/a9603a6f75df2fd8125cd208c98cfaa0fe3f7505\"}, {\"url\": \"https://git.kernel.org/stable/c/95accb7183badca387f7a8d19a2475cf3089f148\"}, {\"url\": \"https://git.kernel.org/stable/c/d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\njfs: Fix uaf in dbFreeBits\\n\\n[syzbot reported]\\n==================================================================\\nBUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline]\\nBUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752\\nRead of size 8 at addr ffff8880229254b0 by task syz-executor357/5216\\n\\nCPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024\\nCall Trace:\\n \u003cTASK\u003e\\n __dump_stack lib/dump_stack.c:93 [inline]\\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119\\n print_address_description mm/kasan/report.c:377 [inline]\\n print_report+0x169/0x550 mm/kasan/report.c:488\\n kasan_report+0x143/0x180 mm/kasan/report.c:601\\n __mutex_lock_common kernel/locking/mutex.c:587 [inline]\\n __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752\\n dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390\\n dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline]\\n dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409\\n dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650\\n jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100\\n jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131\\n vfs_ioctl fs/ioctl.c:51 [inline]\\n __do_sys_ioctl fs/ioctl.c:907 [inline]\\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\\n\\nFreed by task 5218:\\n kasan_save_stack mm/kasan/common.c:47 [inline]\\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\\n kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579\\n poison_slab_object+0xe0/0x150 mm/kasan/common.c:240\\n __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256\\n kasan_slab_free include/linux/kasan.h:184 [inline]\\n slab_free_hook mm/slub.c:2252 [inline]\\n slab_free mm/slub.c:4473 [inline]\\n kfree+0x149/0x360 mm/slub.c:4594\\n dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278\\n jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247\\n jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454\\n reconfigure_super+0x445/0x880 fs/super.c:1083\\n vfs_cmd_reconfigure fs/fsopen.c:263 [inline]\\n vfs_fsconfig_locked fs/fsopen.c:292 [inline]\\n __do_sys_fsconfig fs/fsopen.c:473 [inline]\\n __se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\n[Analysis]\\nThere are two paths (dbUnmount and jfs_ioc_trim) that generate race\\ncondition when accessing bmap, which leads to the occurrence of uaf.\\n\\nUse the lock s_umount to synchronize them, in order to avoid uaf caused\\nby race condition.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.323\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.285\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.227\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.168\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.113\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.55\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.14\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.3\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"3.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:41:30.436Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-49903\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T11:59:01.170Z\", \"dateReserved\": \"2024-10-21T12:17:06.027Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:01:34.603Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2024-49903 (GCVE-0-2024-49903)

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Related by attack behaviour