221 lines
11 KiB
JSON
221 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2023-52562",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-03-02T21:55:42.566Z",
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"datePublished": "2024-03-02T21:59:35.568Z",
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"dateUpdated": "2026-05-23T15:26:04.021Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-23T15:26:04.021Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/slab_common: fix slab_caches list corruption after kmem_cache_destroy()\n\nAfter the commit in Fixes:, if a module that created a slab cache does not\nrelease all of its allocated objects before destroying the cache (at rmmod\ntime), we might end up releasing the kmem_cache object without removing it\nfrom the slab_caches list thus corrupting the list as kmem_cache_destroy()\nignores the return value from shutdown_cache(), which in turn never removes\nthe kmem_cache object from slabs_list in case __kmem_cache_shutdown() fails\nto release all of the cache's slabs.\n\nThis is easily observable on a kernel built with CONFIG_DEBUG_LIST=y\nas after that ill release the system will immediately trip on list_add,\nor list_del, assertions similar to the one shown below as soon as another\nkmem_cache gets created, or destroyed:\n\n [ 1041.213632] list_del corruption. next->prev should be ffff89f596fb5768, but was 52f1e5016aeee75d. (next=ffff89f595a1b268)\n [ 1041.219165] ------------[ cut here ]------------\n [ 1041.221517] kernel BUG at lib/list_debug.c:62!\n [ 1041.223452] invalid opcode: 0000 [#1] PREEMPT SMP PTI\n [ 1041.225408] CPU: 2 PID: 1852 Comm: rmmod Kdump: loaded Tainted: G B W OE 6.5.0 #15\n [ 1041.228244] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS edk2-20230524-3.fc37 05/24/2023\n [ 1041.231212] RIP: 0010:__list_del_entry_valid+0xae/0xb0\n\nAnother quick way to trigger this issue, in a kernel with CONFIG_SLUB=y,\nis to set slub_debug to poison the released objects and then just run\ncat /proc/slabinfo after removing the module that leaks slab objects,\nin which case the kernel will panic:\n\n [ 50.954843] general protection fault, probably for non-canonical address 0xa56b6b6b6b6b6b8b: 0000 [#1] PREEMPT SMP PTI\n [ 50.961545] CPU: 2 PID: 1495 Comm: cat Kdump: loaded Tainted: G B W OE 6.5.0 #15\n [ 50.966808] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS edk2-20230524-3.fc37 05/24/2023\n [ 50.972663] RIP: 0010:get_slabinfo+0x42/0xf0\n\nThis patch fixes this issue by properly checking shutdown_cache()'s\nreturn value before taking the kmem_cache_release() branch."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"mm/slab_common.c"
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],
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"versions": [
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{
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"version": "0495e337b7039191dfce6e03f5f830454b1fae6b",
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"lessThan": "a5569bb187521432f509b69dda7d29f78b2d38b0",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "0495e337b7039191dfce6e03f5f830454b1fae6b",
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"lessThan": "51988be187b041e5355245957b0b9751fa382e0d",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "0495e337b7039191dfce6e03f5f830454b1fae6b",
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"lessThan": "46a9ea6681907a3be6b6b0d43776dccc62cad6cf",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "357321557920c805de2b14832002465c320eea4f",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "5.19.8",
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"lessThan": "5.20",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"mm/slab_common.c"
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],
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"versions": [
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{
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"version": "6.0",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.0",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.56",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.5.6",
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"lessThanOrEqual": "6.5.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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"nodes": [
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"operator": "OR",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.0",
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"versionEndExcluding": "6.1.56"
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},
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"references": [
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"url": "https://git.kernel.org/stable/c/a5569bb187521432f509b69dda7d29f78b2d38b0"
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"url": "https://git.kernel.org/stable/c/51988be187b041e5355245957b0b9751fa382e0d"
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"url": "https://git.kernel.org/stable/c/46a9ea6681907a3be6b6b0d43776dccc62cad6cf"
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}
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],
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"title": "mm/slab_common: fix slab_caches list corruption after kmem_cache_destroy()",
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"dateUpdated": "2024-08-02T23:03:20.744Z"
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{
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"metrics": [
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{
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"type": "ssvc",
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"content": {
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"id": "CVE-2023-52562",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2024-09-10T15:56:36.342316Z"
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}
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"title": "CISA ADP Vulnrichment",
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