CVE-2024-26940 (GCVE-0-2024-26940)
Vulnerability from cvelistv5 – Published: 2024-05-01 05:17 – Updated: 2026-05-11 20:07
VLAI
EPSS
VEX
Title
drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed
The driver creates /sys/kernel/debug/dri/0/mob_ttm even when the
corresponding ttm_resource_manager is not allocated.
This leads to a crash when trying to read from this file.
Add a check to create mob_ttm, system_mob_ttm, and gmr_ttm debug file
only when the corresponding ttm_resource_manager is allocated.
crash> bt
PID: 3133409 TASK: ffff8fe4834a5000 CPU: 3 COMMAND: "grep"
#0 [ffffb954506b3b20] machine_kexec at ffffffffb2a6bec3
#1 [ffffb954506b3b78] __crash_kexec at ffffffffb2bb598a
#2 [ffffb954506b3c38] crash_kexec at ffffffffb2bb68c1
#3 [ffffb954506b3c50] oops_end at ffffffffb2a2a9b1
#4 [ffffb954506b3c70] no_context at ffffffffb2a7e913
#5 [ffffb954506b3cc8] __bad_area_nosemaphore at ffffffffb2a7ec8c
#6 [ffffb954506b3d10] do_page_fault at ffffffffb2a7f887
#7 [ffffb954506b3d40] page_fault at ffffffffb360116e
[exception RIP: ttm_resource_manager_debug+0x11]
RIP: ffffffffc04afd11 RSP: ffffb954506b3df0 RFLAGS: 00010246
RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940
RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000
RBP: ffffb954506b3e08 R8: ffff8fee3ffad000 R9: 0000000000000000
R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff
R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#8 [ffffb954506b3e00] ttm_resource_manager_show at ffffffffc04afde7 [ttm]
#9 [ffffb954506b3e30] seq_read at ffffffffb2d8f9f3
RIP: 00007f4c4eda8985 RSP: 00007ffdbba9e9f8 RFLAGS: 00000246
RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985
RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 0000000000000003
RBP: 000000000037e000 R8: 0000000000000000 R9: 000000000037fe30
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000
R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003
ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-06 18:58 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6 , < 016119154981d81c9e8f2ea3f56b9e2b4ea14500
(git)
Affected: af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6 , < 042ef0afc40fa1a22b3608f22915b91ce39d128f (git) Affected: af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6 , < 25e3ce59c1200f1f0563e39de151f34962ab0fe1 (git) Affected: af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6 , < eb08db0fc5354fa17b7ed66dab3c503332423451 (git) Affected: af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6 , < 4be9075fec0a639384ed19975634b662bfab938f (git) |
guessed | |
| Linux | Linux |
Affected:
5.19
Unaffected: 0 , < 5.19 (semver) Unaffected: 6.1.84 , ≤ 6.1.* (semver) Unaffected: 6.6.24 , ≤ 6.6.* (semver) Unaffected: 6.7.12 , ≤ 6.7.* (semver) Unaffected: 6.8.3 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed\n\nThe driver creates /sys/kernel/debug/dri/0/mob_ttm even when the\ncorresponding ttm_resource_manager is not allocated.\nThis leads to a crash when trying to read from this file.\n\nAdd a check to create mob_ttm, system_mob_ttm, and gmr_ttm debug file\nonly when the corresponding ttm_resource_manager is allocated.\n\ncrash\u003e bt\nPID: 3133409 TASK: ffff8fe4834a5000 CPU: 3 COMMAND: \"grep\"\n #0 [ffffb954506b3b20] machine_kexec at ffffffffb2a6bec3\n #1 [ffffb954506b3b78] __crash_kexec at ffffffffb2bb598a\n #2 [ffffb954506b3c38] crash_kexec at ffffffffb2bb68c1\n #3 [ffffb954506b3c50] oops_end at ffffffffb2a2a9b1\n #4 [ffffb954506b3c70] no_context at ffffffffb2a7e913\n #5 [ffffb954506b3cc8] __bad_area_nosemaphore at ffffffffb2a7ec8c\n #6 [ffffb954506b3d10] do_page_fault at ffffffffb2a7f887\n #7 [ffffb954506b3d40] page_fault at ffffffffb360116e\n [exception RIP: ttm_resource_manager_debug+0x11]\n RIP: ffffffffc04afd11 RSP: ffffb954506b3df0 RFLAGS: 00010246\n RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940\n RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000\n RBP: ffffb954506b3e08 R8: ffff8fee3ffad000 R9: 0000000000000000\n R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff\n R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200\n ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018\n #8 [ffffb954506b3e00] ttm_resource_manager_show at ffffffffc04afde7 [ttm]\n #9 [ffffb954506b3e30] seq_read at ffffffffb2d8f9f3\n RIP: 00007f4c4eda8985 RSP: 00007ffdbba9e9f8 RFLAGS: 00000246\n RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985\n RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 0000000000000003\n RBP: 000000000037e000 R8: 0000000000000000 R9: 000000000037fe30\n R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000\n R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003\n ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b"
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"datePublished": "2024-05-01T05:17:48.607Z",
"dateReserved": "2024-02-19T14:20:24.197Z",
"dateUpdated": "2026-05-11T20:07:19.266Z",
"state": "PUBLISHED"
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"cve": "CVE-2024-26940",
"date": "2026-09-16",
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"descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed\\n\\nThe driver creates /sys/kernel/debug/dri/0/mob_ttm even when the\\ncorresponding ttm_resource_manager is not allocated.\\nThis leads to a crash when trying to read from this file.\\n\\nAdd a check to create mob_ttm, system_mob_ttm, and gmr_ttm debug file\\nonly when the corresponding ttm_resource_manager is allocated.\\n\\ncrash\u003e bt\\nPID: 3133409 TASK: ffff8fe4834a5000 CPU: 3 COMMAND: \\\"grep\\\"\\n #0 [ffffb954506b3b20] machine_kexec at ffffffffb2a6bec3\\n #1 [ffffb954506b3b78] __crash_kexec at ffffffffb2bb598a\\n #2 [ffffb954506b3c38] crash_kexec at ffffffffb2bb68c1\\n #3 [ffffb954506b3c50] oops_end at ffffffffb2a2a9b1\\n #4 [ffffb954506b3c70] no_context at ffffffffb2a7e913\\n #5 [ffffb954506b3cc8] __bad_area_nosemaphore at ffffffffb2a7ec8c\\n #6 [ffffb954506b3d10] do_page_fault at ffffffffb2a7f887\\n #7 [ffffb954506b3d40] page_fault at ffffffffb360116e\\n [exception RIP: ttm_resource_manager_debug+0x11]\\n RIP: ffffffffc04afd11 RSP: ffffb954506b3df0 RFLAGS: 00010246\\n RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940\\n RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000\\n RBP: ffffb954506b3e08 R8: ffff8fee3ffad000 R9: 0000000000000000\\n R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff\\n R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200\\n ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018\\n #8 [ffffb954506b3e00] ttm_resource_manager_show at ffffffffc04afde7 [ttm]\\n #9 [ffffb954506b3e30] seq_read at ffffffffb2d8f9f3\\n RIP: 00007f4c4eda8985 RSP: 00007ffdbba9e9f8 RFLAGS: 00000246\\n RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985\\n RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 0000000000000003\\n RBP: 000000000037e000 R8: 0000000000000000 R9: 000000000037fe30\\n R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000\\n R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003\\n ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se resolvi\\u00f3 la siguiente vulnerabilidad: drm/vmwgfx: cree la entrada debugfs ttm_resource_manager solo si es necesario. El controlador crea /sys/kernel/debug/dri/0/mob_ttm incluso cuando el ttm_resource_manager correspondiente no est\\u00e1 asignado. Esto provoca un bloqueo al intentar leer este archivo. Agregue una marca para crear archivos de depuraci\\u00f3n mob_ttm, system_mob_ttm y gmr_ttm solo cuando se asigne el ttm_resource_manager correspondiente. crash\u0026gt; bt PID: 3133409 TAREA: ffff8fe4834a5000 CPU: 3 COMANDO: \\\"grep\\\" #0 [ffffb954506b3b20] machine_kexec en ffffffffb2a6bec3 #1 [ffffb954506b3b78] __crash_kexec en ffffffffb2bb598a #2 ffb954506b3c38] crash_kexec en ffffffffb2bb68c1 #3 [ffffb954506b3c50] oops_end en ffffffffb2a2a9b1 # 4 [ffffb954506b3c70] no_context en ffffffffb2a7e913 #5 [ffffb954506b3cc8] __bad_area_nosemaphore en ffffffffb2a7ec8c #6 [ffffb954506b3d10] do_page_fault en ffffffffb2a7f887 #7 54506b3d40] page_fault en ffffffffb360116e [excepci\\u00f3n RIP: ttm_resource_manager_debug+0x11] RIP: ffffffffc04afd11 RSP: ffffb954506b3df0 RFLAGS: 00010246 RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940 RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000 RBP: ffffb9545 06b3e08 R8: ffff8fee3ffad000 R9: 0000000000000000 R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200 ORIG_RAX: ffffffffffffff CS: 0010 SS : 0018 #8 [ffffb954506b3e00] ttm_resource_manager_show en ffffffffc04afde7 [ttm] #9 [ffffb954506b3e30] seq_read en ffffffffb2d8f9f3 RIP: 00007f4c4eda8985 RSP: RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985 RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 00000000000000 03 PBR: 000000000037e000 R8: 0000000000000000 R9: 000000000037fe30 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000 R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003 ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b\"}]",
"id": "CVE-2024-26940",
"lastModified": "2024-11-21T09:03:26.170",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
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"vulnStatus": "Awaiting Analysis"
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"cve": "CVE-2024-26940",
"id": "msrc_CVE-2024-26940",
"initial_release_date": "2024-05-02T07:00:00.000Z",
"product_status:fixed": "2",
"product_status:known_affected": "2",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed",
"url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-26940.json",
"version": "2"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2024-26940\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T06:15:09.343\",\"lastModified\":\"2026-06-17T07:18:44.697\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed\\n\\nThe driver creates /sys/kernel/debug/dri/0/mob_ttm even when the\\ncorresponding ttm_resource_manager is not allocated.\\nThis leads to a crash when trying to read from this file.\\n\\nAdd a check to create mob_ttm, system_mob_ttm, and gmr_ttm debug file\\nonly when the corresponding ttm_resource_manager is allocated.\\n\\ncrash\u003e bt\\nPID: 3133409 TASK: ffff8fe4834a5000 CPU: 3 COMMAND: \\\"grep\\\"\\n #0 [ffffb954506b3b20] machine_kexec at ffffffffb2a6bec3\\n #1 [ffffb954506b3b78] __crash_kexec at ffffffffb2bb598a\\n #2 [ffffb954506b3c38] crash_kexec at ffffffffb2bb68c1\\n #3 [ffffb954506b3c50] oops_end at ffffffffb2a2a9b1\\n #4 [ffffb954506b3c70] no_context at ffffffffb2a7e913\\n #5 [ffffb954506b3cc8] __bad_area_nosemaphore at ffffffffb2a7ec8c\\n #6 [ffffb954506b3d10] do_page_fault at ffffffffb2a7f887\\n #7 [ffffb954506b3d40] page_fault at ffffffffb360116e\\n [exception RIP: ttm_resource_manager_debug+0x11]\\n RIP: ffffffffc04afd11 RSP: ffffb954506b3df0 RFLAGS: 00010246\\n RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940\\n RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000\\n RBP: ffffb954506b3e08 R8: ffff8fee3ffad000 R9: 0000000000000000\\n R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff\\n R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200\\n ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018\\n #8 [ffffb954506b3e00] ttm_resource_manager_show at ffffffffc04afde7 [ttm]\\n #9 [ffffb954506b3e30] seq_read at ffffffffb2d8f9f3\\n RIP: 00007f4c4eda8985 RSP: 00007ffdbba9e9f8 RFLAGS: 00000246\\n RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985\\n RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 0000000000000003\\n RBP: 000000000037e000 R8: 0000000000000000 R9: 000000000037fe30\\n R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000\\n R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003\\n ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/vmwgfx: cree la entrada debugfs ttm_resource_manager solo si es necesario. El controlador crea /sys/kernel/debug/dri/0/mob_ttm incluso cuando el ttm_resource_manager correspondiente no est\u00e1 asignado. Esto provoca un bloqueo al intentar leer este archivo. Agregue una marca para crear archivos de depuraci\u00f3n mob_ttm, system_mob_ttm y gmr_ttm solo cuando se asigne el ttm_resource_manager correspondiente. crash\u0026gt; bt PID: 3133409 TAREA: ffff8fe4834a5000 CPU: 3 COMANDO: \\\"grep\\\" #0 [ffffb954506b3b20] machine_kexec en ffffffffb2a6bec3 #1 [ffffb954506b3b78] __crash_kexec en ffffffffb2bb598a #2 ffb954506b3c38] crash_kexec en ffffffffb2bb68c1 #3 [ffffb954506b3c50] oops_end en ffffffffb2a2a9b1 # 4 [ffffb954506b3c70] no_context en ffffffffb2a7e913 #5 [ffffb954506b3cc8] __bad_area_nosemaphore en ffffffffb2a7ec8c #6 [ffffb954506b3d10] do_page_fault en ffffffffb2a7f887 #7 54506b3d40] page_fault en ffffffffb360116e [excepci\u00f3n RIP: ttm_resource_manager_debug+0x11] RIP: ffffffffc04afd11 RSP: ffffb954506b3df0 RFLAGS: 00010246 RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940 RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000 RBP: ffffb9545 06b3e08 R8: ffff8fee3ffad000 R9: 0000000000000000 R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200 ORIG_RAX: ffffffffffffff CS: 0010 SS : 0018 #8 [ffffb954506b3e00] ttm_resource_manager_show en ffffffffc04afde7 [ttm] #9 [ffffb954506b3e30] seq_read en ffffffffb2d8f9f3 RIP: 00007f4c4eda8985 RSP: RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985 RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 00000000000000 03 PBR: 000000000037e000 R8: 0000000000000000 R9: 000000000037fe30 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000 R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003 ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/gpu/drm/vmwgfx/vmwgfx_drv.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6\",\"lessThan\":\"016119154981d81c9e8f2ea3f56b9e2b4ea14500\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6\",\"lessThan\":\"042ef0afc40fa1a22b3608f22915b91ce39d128f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6\",\"lessThan\":\"25e3ce59c1200f1f0563e39de151f34962ab0fe1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6\",\"lessThan\":\"eb08db0fc5354fa17b7ed66dab3c503332423451\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"af4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6\",\"lessThan\":\"4be9075fec0a639384ed19975634b662bfab938f\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/gpu/drm/vmwgfx/vmwgfx_drv.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.19\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.19\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.84\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.24\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.7.12\",\"lessThanOrEqual\":\"6.7.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.8.3\",\"lessThanOrEqual\":\"6.8.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.9\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-06-06T18:58:47.194142Z\",\"id\":\"CVE-2024-26940\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T06:58:41+00:00",
"cve": "CVE-2024-26940",
"id": "CVE-2024-26940",
"initial_release_date": "2024-05-01T00:00:00+00:00",
"product_status:fixed": "709",
"product_status:known_affected": "64",
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-26940.json",
"version": "3"
},
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"current_release_date": "2026-09-02T01:33:19Z",
"cve": "CVE-2024-26940",
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"initial_release_date": "2024-05-03T02:09:51Z",
"product_status:known_affected": "315",
"product_status:known_not_affected": "305",
"product_status:recommended": "690",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-26940",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-26940.json",
"version": "99"
},
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check to create mob_ttm, system_mob_ttm, and gmr_ttm debug file\\nonly when the corresponding ttm_resource_manager is allocated.\\n\\ncrash\u003e bt\\nPID: 3133409 TASK: ffff8fe4834a5000 CPU: 3 COMMAND: \\\"grep\\\"\\n #0 [ffffb954506b3b20] machine_kexec at ffffffffb2a6bec3\\n #1 [ffffb954506b3b78] __crash_kexec at ffffffffb2bb598a\\n #2 [ffffb954506b3c38] crash_kexec at ffffffffb2bb68c1\\n #3 [ffffb954506b3c50] oops_end at ffffffffb2a2a9b1\\n #4 [ffffb954506b3c70] no_context at ffffffffb2a7e913\\n #5 [ffffb954506b3cc8] __bad_area_nosemaphore at ffffffffb2a7ec8c\\n #6 [ffffb954506b3d10] do_page_fault at ffffffffb2a7f887\\n #7 [ffffb954506b3d40] page_fault at ffffffffb360116e\\n [exception RIP: ttm_resource_manager_debug+0x11]\\n RIP: ffffffffc04afd11 RSP: ffffb954506b3df0 RFLAGS: 00010246\\n RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940\\n RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000\\n RBP: ffffb954506b3e08 R8: ffff8fee3ffad000 R9: 0000000000000000\\n R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff\\n R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200\\n ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018\\n #8 [ffffb954506b3e00] ttm_resource_manager_show at ffffffffc04afde7 [ttm]\\n #9 [ffffb954506b3e30] seq_read at ffffffffb2d8f9f3\\n RIP: 00007f4c4eda8985 RSP: 00007ffdbba9e9f8 RFLAGS: 00000246\\n RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985\\n RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 0000000000000003\\n RBP: 000000000037e000 R8: 0000000000000000 R9: 000000000037fe30\\n R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000\\n R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003\\n ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.84\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.24\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.12\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.3\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"5.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:00:15.819Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-26940\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:00:15.819Z\", \"dateReserved\": \"2024-02-19T14:20:24.197Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-01T05:17:48.607Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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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Related by attack behaviour
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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