{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2024-26840", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.182Z", "datePublished": "2024-04-17T10:10:06.180Z", "dateUpdated": "2024-08-02T00:14:13.702Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:23:38.406Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncachefiles: fix memory leak in cachefiles_add_cache()\n\nThe following memory leak was reported after unbinding /dev/cachefiles:\n\n==================================================================\nunreferenced object 0xffff9b674176e3c0 (size 192):\n comm \"cachefilesd2\", pid 680, jiffies 4294881224\n hex dump (first 32 bytes):\n 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace (crc ea38a44b):\n [] kmem_cache_alloc+0x2d5/0x370\n [] prepare_creds+0x26/0x2e0\n [] cachefiles_determine_cache_security+0x1f/0x120\n [] cachefiles_add_cache+0x13c/0x3a0\n [] cachefiles_daemon_write+0x146/0x1c0\n [] vfs_write+0xcb/0x520\n [] ksys_write+0x69/0xf0\n [] do_syscall_64+0x72/0x140\n [] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n==================================================================\n\nPut the reference count of cache_cred in cachefiles_daemon_unbind() to\nfix the problem. And also put cache_cred in cachefiles_add_cache() error\nbranch to avoid memory leaks." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/cachefiles/cache.c", "fs/cachefiles/daemon.c" ], "versions": [ { "version": "9ae326a69004", "lessThan": "cb5466783793", "status": "affected", "versionType": "git" }, { "version": "9ae326a69004", "lessThan": "037d5a949b04", "status": "affected", "versionType": "git" }, { "version": "9ae326a69004", "lessThan": "43eccc582373", "status": "affected", "versionType": "git" }, { "version": "9ae326a69004", "lessThan": "94965be37add", "status": "affected", "versionType": "git" }, { "version": "9ae326a69004", "lessThan": "8b218e2f0a27", "status": "affected", "versionType": "git" }, { "version": "9ae326a69004", "lessThan": "38e921616320", "status": "affected", "versionType": "git" }, { "version": "9ae326a69004", "lessThan": "9cac69912052", "status": "affected", "versionType": "git" }, { "version": "9ae326a69004", "lessThan": "e21a2f17566c", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/cachefiles/cache.c", "fs/cachefiles/daemon.c" ], "versions": [ { "version": "2.6.30", "status": "affected" }, { "version": "0", "lessThan": "2.6.30", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.309", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.271", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.212", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.151", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.80", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.19", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.7", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/cb5466783793e66272624cf71925ae1d1ba32083" }, { "url": "https://git.kernel.org/stable/c/037d5a949b0455540ef9aab34c10ddf54b65d285" }, { "url": "https://git.kernel.org/stable/c/43eccc5823732ba6daab2511ed32dfc545a666d8" }, { "url": "https://git.kernel.org/stable/c/94965be37add0983672e48ecb33cdbda92b62579" }, { "url": "https://git.kernel.org/stable/c/8b218e2f0a27a9f09428b1847b4580640b9d1e58" }, { "url": "https://git.kernel.org/stable/c/38e921616320d159336b0ffadb09e9fb4945c7c3" }, { "url": "https://git.kernel.org/stable/c/9cac69912052a4def571fedf1cb9bb4ec590e25a" }, { "url": "https://git.kernel.org/stable/c/e21a2f17566cbd64926fb8f16323972f7a064444" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html" } ], "title": "cachefiles: fix memory leak in cachefiles_add_cache()", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-26840", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-28T19:58:24.475717Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:49:17.204Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:13.702Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/cb5466783793e66272624cf71925ae1d1ba32083", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/037d5a949b0455540ef9aab34c10ddf54b65d285", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/43eccc5823732ba6daab2511ed32dfc545a666d8", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/94965be37add0983672e48ecb33cdbda92b62579", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/8b218e2f0a27a9f09428b1847b4580640b9d1e58", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/38e921616320d159336b0ffadb09e9fb4945c7c3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/9cac69912052a4def571fedf1cb9bb4ec590e25a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e21a2f17566cbd64926fb8f16323972f7a064444", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "tags": [ "x_transferred" ] } ] } ] }, "dataVersion": "5.1" }