{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-26848", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.182Z", "datePublished": "2024-04-17T10:14:19.546Z", "dateUpdated": "2024-11-05T09:16:54.091Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:16:54.091Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix endless loop in directory parsing\n\nIf a directory has a block with only \".__afsXXXX\" files in it (from\nuncompleted silly-rename), these .__afsXXXX files are skipped but without\nadvancing the file position in the dir_context. This leads to\nafs_dir_iterate() repeating the block again and again.\n\nFix this by making the code that skips the .__afsXXXX file also manually\nadvance the file position.\n\nThe symptoms are a soft lookup:\n\n watchdog: BUG: soft lockup - CPU#3 stuck for 52s! [check:5737]\n ...\n RIP: 0010:afs_dir_iterate_block+0x39/0x1fd\n ...\n ? watchdog_timer_fn+0x1a6/0x213\n ...\n ? asm_sysvec_apic_timer_interrupt+0x16/0x20\n ? afs_dir_iterate_block+0x39/0x1fd\n afs_dir_iterate+0x10a/0x148\n afs_readdir+0x30/0x4a\n iterate_dir+0x93/0xd3\n __do_sys_getdents64+0x6b/0xd4\n\nThis is almost certainly the actual fix for:\n\n https://bugzilla.kernel.org/show_bug.cgi?id=218496"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/afs/dir.c"], "versions": [{"version": "01d15b68f041", "lessThan": "5c78be006ed9", "status": "affected", "versionType": "git"}, {"version": "01d15b68f041", "lessThan": "854ebf45a4dd", "status": "affected", "versionType": "git"}, {"version": "8499e2f1218e", "lessThan": "96370ba395c5", "status": "affected", "versionType": "git"}, {"version": "8499e2f1218e", "lessThan": "b94f434fe977", "status": "affected", 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This leads to\nafs_dir_iterate() repeating the block again and again.\n\nFix this by making the code that skips the .__afsXXXX file also manually\nadvance the file position.\n\nThe symptoms are a soft lookup:\n\n watchdog: BUG: soft lockup - CPU#3 stuck for 52s! 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"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}], "title": "afs: Fix endless loop in directory parsing", "x_generator": {"engine": "bippy-a5840b7849dd"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26848", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:48:44.874162Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2024-09-11T12:42:16.813Z"}, "title": "CISA ADP Vulnrichment"}]}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix endless loop in directory parsing\n\nIf a directory has a block with only \".__afsXXXX\" files in it (from\nuncompleted silly-rename), these .__afsXXXX files are skipped but without\nadvancing the file position in the dir_context. This leads to\nafs_dir_iterate() repeating the block again and again.\n\nFix this by making the code that skips the .__afsXXXX file also manually\nadvance the file position.\n\nThe symptoms are a soft lookup:\n\n watchdog: BUG: soft lockup - CPU#3 stuck for 52s! [check:5737]\n ...\n RIP: 0010:afs_dir_iterate_block+0x39/0x1fd\n ...\n ? watchdog_timer_fn+0x1a6/0x213\n ...\n ? asm_sysvec_apic_timer_interrupt+0x16/0x20\n ? afs_dir_iterate_block+0x39/0x1fd\n afs_dir_iterate+0x10a/0x148\n afs_readdir+0x30/0x4a\n iterate_dir+0x93/0xd3\n __do_sys_getdents64+0x6b/0xd4\n\nThis is almost certainly the actual fix for:\n\n https://bugzilla.kernel.org/show_bug.cgi?id=218496"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: afs: corrige el bucle sin fin en el an\u00e1lisis de directorios. Si un directorio tiene un bloque con solo archivos \".__afsXXXX\" (de un cambio de nombre incompleto), estos archivos .__afsXXXX se omiten, pero sin avanzar la posici\u00f3n del archivo en dir_context. Esto lleva a que afs_dir_iterate() repita el bloque una y otra vez. Solucione este problema haciendo que el c\u00f3digo que omite el archivo .__afsXXXX tambi\u00e9n avance manualmente la posici\u00f3n del archivo. Los s\u00edntomas son una b\u00fasqueda suave: perro guardi\u00e1n: ERROR: bloqueo suave - \u00a1CPU n.\u00b0 3 bloqueada durante 52 segundos! [verificaci\u00f3n: 5737]... RIP: 0010:afs_dir_iterate_block+0x39/0x1fd...? watchdog_timer_fn+0x1a6/0x213...? asm_sysvec_apic_timer_interrupt+0x16/0x20? AFS_DIR_ITERATE_BLOCK+0x39/0x1fd AFS_DIR_ITERATE+0x10a/0x148 AFS_READDIR+0X30/0X4A ITERE_DIR+0X93/0XD3 __DO_SYS_GETDENTS64+0x6b/0xd4 Esto es casi seguro que es casi seguro el fianza real: bug.cgi? id = 218496"}], "id": "CVE-2024-26848", "lastModified": "2024-11-05T10:15:54.687", "metrics": {}, "published": "2024-04-17T11:15:08.323", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/058ed71e0f7aa3b6694ca357e23d084e5d3f2470"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/106e14ca55a0acb3236ee98813a1d243f8aa2d05"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2afdd0cb02329464d77f3ec59468395c791a51a4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5c78be006ed9cb735ac2abf4fd64f3f4ea26da31"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5f7a07646655fb4108da527565dcdc80124b14c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/76426abf9b980b46983f97de8e5b25047b4c9863"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/80b15346492bdba677bbb0adefc611910e505f7b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/854ebf45a4ddd4cadeffb6644e88d19020634e1a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/96370ba395c572ef496fd2c7afc4a1ab3dedd3f0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c41f4935625218a2053a2dce1423c3054169809"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6ffae61ad9ebf2fdcb943135b2f30c85f49cd27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b94f434fe977689da4291dc21717790b9bd1c064"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f67898867b6b0f4542cddc7fe57997978b948a7a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fe02316e4933befc621fa125efb8f8b4d04cceec"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: afs: Fix endless loop in directory parsing", "id": "2275756", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275756"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-835", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nafs: Fix endless loop in directory parsing\nIf a directory has a block with only \".__afsXXXX\" files in it (from\nuncompleted silly-rename), these .__afsXXXX files are skipped but without\nadvancing the file position in the dir_context. This leads to\nafs_dir_iterate() repeating the block again and again.\nFix this by making the code that skips the .__afsXXXX file also manually\nadvance the file position.\nThe symptoms are a soft lookup:\nwatchdog: BUG: soft lockup - CPU#3 stuck for 52s! [check:5737]\n...\nRIP: 0010:afs_dir_iterate_block+0x39/0x1fd\n...\n? watchdog_timer_fn+0x1a6/0x213\n...\n? asm_sysvec_apic_timer_interrupt+0x16/0x20\n? afs_dir_iterate_block+0x39/0x1fd\nafs_dir_iterate+0x10a/0x148\nafs_readdir+0x30/0x4a\niterate_dir+0x93/0xd3\n__do_sys_getdents64+0x6b/0xd4\nThis is almost certainly the actual fix for:\nhttps://bugzilla.kernel.org/show_bug.cgi?id=218496"], "name": "CVE-2024-26848", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26848\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26848\nhttps://lore.kernel.org/linux-cve-announce/2024041753-CVE-2024-26848-0413@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 5.4.271, kernel 5.4.273, kernel 5.10.212, kernel 5.10.214, kernel 5.15.151, kernel 5.15.153, kernel 6.1.81, kernel 6.1.83, kernel 6.6.21, kernel 6.6.23, kernel 6.7.9, kernel 6.7.11, kernel 6.8.2"}