156 lines
7.2 KiB
JSON
156 lines
7.2 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-2022-48649",
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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": "2024-02-25T13:44:28.316Z",
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"datePublished": "2024-04-28T13:00:33.390Z",
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"dateUpdated": "2026-05-11T18:44:27.700Z"
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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": "2026-05-11T18:44:27.700Z"
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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 possible double free of kmem_cache\n\nWhen doing slub_debug test, kfence's 'test_memcache_typesafe_by_rcu'\nkunit test case cause a use-after-free error:\n\n BUG: KASAN: use-after-free in kobject_del+0x14/0x30\n Read of size 8 at addr ffff888007679090 by task kunit_try_catch/261\n\n CPU: 1 PID: 261 Comm: kunit_try_catch Tainted: G B N 6.0.0-rc5-next-20220916 #17\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n Call Trace:\n <TASK>\n dump_stack_lvl+0x34/0x48\n print_address_description.constprop.0+0x87/0x2a5\n print_report+0x103/0x1ed\n kasan_report+0xb7/0x140\n kobject_del+0x14/0x30\n kmem_cache_destroy+0x130/0x170\n test_exit+0x1a/0x30\n kunit_try_run_case+0xad/0xc0\n kunit_generic_run_threadfn_adapter+0x26/0x50\n kthread+0x17b/0x1b0\n </TASK>\n\nThe cause is inside kmem_cache_destroy():\n\nkmem_cache_destroy\n acquire lock/mutex\n shutdown_cache\n schedule_work(kmem_cache_release) (if RCU flag set)\n release lock/mutex\n kmem_cache_release (if RCU flag not set)\n\nIn some certain timing, the scheduled work could be run before\nthe next RCU flag checking, which can then get a wrong value\nand lead to double kmem_cache_release().\n\nFix it by caching the RCU flag inside protected area, just like 'refcnt'"
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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": "357321557920c805de2b14832002465c320eea4f",
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"lessThan": "c673c6ceac53fb2e631c9fbbd79957099a08927f",
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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": "d71608a877362becdc94191f190902fac1e64d35",
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"status": "affected",
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"versionType": "git"
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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": "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": "5.19.8",
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"lessThan": "5.19.12",
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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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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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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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"versionStartIncluding": "5.19.8",
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"versionEndExcluding": "5.19.12"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/c673c6ceac53fb2e631c9fbbd79957099a08927f"
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},
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{
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"url": "https://git.kernel.org/stable/c/d71608a877362becdc94191f190902fac1e64d35"
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}
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],
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"title": "mm/slab_common: fix possible double free of kmem_cache",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-03T15:17:55.556Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/c673c6ceac53fb2e631c9fbbd79957099a08927f",
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"tags": [
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},
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-48649",
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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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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-09-10T15:46:11.220120Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-09-11T17:33:10.427Z"
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}
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}
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]
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}
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} |