cve-2024-39301
Vulnerability from cvelistv5
Published
2024-06-25 14:22
Modified
2024-12-19 09:06
Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/9p: fix uninit-value in p9_client_rpc()
Syzbot with the help of KMSAN reported the following error:
BUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]
BUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754
trace_9p_client_res include/trace/events/9p.h:146 [inline]
p9_client_rpc+0x1314/0x1340 net/9p/client.c:754
p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031
v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410
v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122
legacy_get_tree+0x114/0x290 fs/fs_context.c:662
vfs_get_tree+0xa7/0x570 fs/super.c:1797
do_new_mount+0x71f/0x15e0 fs/namespace.c:3352
path_mount+0x742/0x1f20 fs/namespace.c:3679
do_mount fs/namespace.c:3692 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount+0x725/0x810 fs/namespace.c:3875
__x64_sys_mount+0xe4/0x150 fs/namespace.c:3875
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was created at:
__alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598
__alloc_pages_node include/linux/gfp.h:238 [inline]
alloc_pages_node include/linux/gfp.h:261 [inline]
alloc_slab_page mm/slub.c:2175 [inline]
allocate_slab mm/slub.c:2338 [inline]
new_slab+0x2de/0x1400 mm/slub.c:2391
___slab_alloc+0x1184/0x33d0 mm/slub.c:3525
__slab_alloc mm/slub.c:3610 [inline]
__slab_alloc_node mm/slub.c:3663 [inline]
slab_alloc_node mm/slub.c:3835 [inline]
kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852
p9_tag_alloc net/9p/client.c:278 [inline]
p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641
p9_client_rpc+0x27e/0x1340 net/9p/client.c:688
p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031
v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410
v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122
legacy_get_tree+0x114/0x290 fs/fs_context.c:662
vfs_get_tree+0xa7/0x570 fs/super.c:1797
do_new_mount+0x71f/0x15e0 fs/namespace.c:3352
path_mount+0x742/0x1f20 fs/namespace.c:3679
do_mount fs/namespace.c:3692 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount+0x725/0x810 fs/namespace.c:3875
__x64_sys_mount+0xe4/0x150 fs/namespace.c:3875
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
If p9_check_errors() fails early in p9_client_rpc(), req->rc.tag
will not be properly initialized. However, trace_9p_client_res()
ends up trying to print it out anyway before p9_client_rpc()
finishes.
Fix this issue by assigning default values to p9_fcall fields
such as 'tag' and (just in case KMSAN unearths something new) 'id'
during the tag allocation stage.
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: 348b59012e5c6402741d067cf6eeeb6271999d06 Version: 348b59012e5c6402741d067cf6eeeb6271999d06 Version: 348b59012e5c6402741d067cf6eeeb6271999d06 Version: 348b59012e5c6402741d067cf6eeeb6271999d06 Version: 348b59012e5c6402741d067cf6eeeb6271999d06 Version: 348b59012e5c6402741d067cf6eeeb6271999d06 Version: 348b59012e5c6402741d067cf6eeeb6271999d06 Version: 348b59012e5c6402741d067cf6eeeb6271999d06 |
||||
|
|||||||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/9p: fix uninit-value in p9_client_rpc()\n\nSyzbot with the help of KMSAN reported the following error:\n\nBUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]\nBUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n trace_9p_client_res include/trace/events/9p.h:146 [inline]\n p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nUninit was created at:\n __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598\n __alloc_pages_node include/linux/gfp.h:238 [inline]\n alloc_pages_node include/linux/gfp.h:261 [inline]\n alloc_slab_page mm/slub.c:2175 [inline]\n allocate_slab mm/slub.c:2338 [inline]\n new_slab+0x2de/0x1400 mm/slub.c:2391\n ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525\n __slab_alloc mm/slub.c:3610 [inline]\n __slab_alloc_node mm/slub.c:3663 [inline]\n slab_alloc_node mm/slub.c:3835 [inline]\n kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852\n p9_tag_alloc net/9p/client.c:278 [inline]\n p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641\n p9_client_rpc+0x27e/0x1340 net/9p/client.c:688\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nIf p9_check_errors() fails early in p9_client_rpc(), req-\u003erc.tag\nwill not be properly initialized. However, trace_9p_client_res()\nends up trying to print it out anyway before p9_client_rpc()\nfinishes.\n\nFix this issue by assigning default values to p9_fcall fields\nsuch as \u0027tag\u0027 and (just in case KMSAN unearths something new) \u0027id\u0027\nduring the tag allocation stage."
}
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"title": "net/9p: fix uninit-value in p9_client_rpc()",
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"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2024-39301\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-25T15:15:14.240\",\"lastModified\":\"2024-11-21T09:27:25.003\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/9p: fix uninit-value in p9_client_rpc()\\n\\nSyzbot with the help of KMSAN reported the following error:\\n\\nBUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]\\nBUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\\n trace_9p_client_res include/trace/events/9p.h:146 [inline]\\n p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\\n path_mount+0x742/0x1f20 fs/namespace.c:3679\\n do_mount fs/namespace.c:3692 [inline]\\n __do_sys_mount fs/namespace.c:3898 [inline]\\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\\n do_syscall_64+0xd5/0x1f0\\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\\n\\nUninit was created at:\\n __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598\\n __alloc_pages_node include/linux/gfp.h:238 [inline]\\n alloc_pages_node include/linux/gfp.h:261 [inline]\\n alloc_slab_page mm/slub.c:2175 [inline]\\n allocate_slab mm/slub.c:2338 [inline]\\n new_slab+0x2de/0x1400 mm/slub.c:2391\\n ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525\\n __slab_alloc mm/slub.c:3610 [inline]\\n __slab_alloc_node mm/slub.c:3663 [inline]\\n slab_alloc_node mm/slub.c:3835 [inline]\\n kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852\\n p9_tag_alloc net/9p/client.c:278 [inline]\\n p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641\\n p9_client_rpc+0x27e/0x1340 net/9p/client.c:688\\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\\n path_mount+0x742/0x1f20 fs/namespace.c:3679\\n do_mount fs/namespace.c:3692 [inline]\\n __do_sys_mount fs/namespace.c:3898 [inline]\\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\\n do_syscall_64+0xd5/0x1f0\\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\\n\\nIf p9_check_errors() fails early in p9_client_rpc(), req-\u003erc.tag\\nwill not be properly initialized. However, trace_9p_client_res()\\nends up trying to print it out anyway before p9_client_rpc()\\nfinishes.\\n\\nFix this issue by assigning default values to p9_fcall fields\\nsuch as \u0027tag\u0027 and (just in case KMSAN unearths something new) \u0027id\u0027\\nduring the tag allocation stage.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net/9p: corrige el valor uninit en p9_client_rpc() Syzbot con la ayuda de KMSAN inform\u00f3 el siguiente error: ERROR: KMSAN: valor uninit en trace_9p_client_res include/trace/events/ 9p.h:146 [en l\u00ednea] ERROR: KMSAN: valor uninit en p9_client_rpc+0x1314/0x1340 net/9p/client.c:754 trace_9p_client_res include/trace/events/9p.h:146 [en l\u00ednea] p9_client_rpc+0x1314/0x1340 net/9p/client.c:754 p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031 v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410 v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c: 122 Legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xa7/0x570 fs/super.c:1797 do_new_mount+0x71f/0x15e0 fs/namespace.c:3352 path_mount+0x742/0x1f20 fs/namespace.c:3679 montar fs/namespace.c:3692 [en l\u00ednea] __do_sys_mount fs/namespace.c:3898 [en l\u00ednea] __se_sys_mount+0x725/0x810 fs/namespace.c:3875 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875 do_syscall_64+0xd5/ 0x1f0 Entry_SYSCALL_64_after_hwframe+0x6d/0x75 Uninit se cre\u00f3 en: __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598 __alloc_pages_node include/linux/gfp.h:238 [en l\u00ednea] alloc_pages_node include/linux/gfp.h:261 [en l\u00ednea] p\u00e1gina mm /slub.c:2175 [en l\u00ednea] allocate_slab mm/slub.c:2338 [en l\u00ednea] new_slab+0x2de/0x1400 mm/slub.c:2391 ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525 __slab_alloc mm/slub.c :3610 [en l\u00ednea] __slab_alloc_node mm/slub.c:3663 [en l\u00ednea] slab_alloc_node mm/slub.c:3835 [en l\u00ednea] kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852 p9_tag_alloc net/9p/client.c:278 [ en l\u00ednea] p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641 p9_client_rpc+0x27e/0x1340 net/9p/client.c:688 p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031 1b9/0x28e0fs /9p/v9fs.c:410 v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122 Legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xa7/0x570 fs/super.c:1797 do_new_mount+0x71f/ 0x15e0 fs/namespace.c:3352 path_mount+0x742/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [en l\u00ednea] __do_sys_mount fs/namespace.c:3898 [en l\u00ednea] __se_sys_mount+0x725/0x810 fs/namespace .c: 3875 __x64_sys_mount+0xe4/0x150 fs/namespace.c: 3875 do_syscall_64+0xd5/0x1f0 entry_syscall_64_after_hwframe+0x6d/0x75 if p9_check_errors () fails en p9_client no se inicialice correctamente. Sin embargo, trace_9p_client_res() termina intentando imprimirlo de todos modos antes de que finalice p9_client_rpc(). Solucione este problema asignando valores predeterminados a los campos p9_fcall como \u0027etiqueta\u0027 y (en caso de que KMSAN descubra algo nuevo) \u0027id\u0027 durante la etapa de asignaci\u00f3n de etiquetas.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"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}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-665\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.2\",\"versionEndExcluding\":\"4.19.316\",\"matchCriteriaId\":\"CCF5D1C7-721B-4F6D-A174-0C49C221A367\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.278\",\"matchCriteriaId\":\"7FDBF235-DA18-49A1-8690-6C7272FD0701\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.219\",\"matchCriteriaId\":\"E9063AF3-D593-43B7-810D-58B87F82F9F9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.161\",\"matchCriteriaId\":\"31130639-53FE-4726-8986-434EE2528CB2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.94\",\"matchCriteriaId\":\"9D20DE32-76F8-4E4C-A8DF-5B53082D18E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.34\",\"matchCriteriaId\":\"6BD9DCFD-0342-4039-B8CE-70F26DB7173B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.5\",\"matchCriteriaId\":\"8366481F-770F-4850-9D0F-2977BD97D5C5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"2EBB4392-5FA6-4DA9-9772-8F9C750109FA\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.