{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-42315","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-30T07:40:12.278Z","datePublished":"2024-08-17T09:09:23.779Z","dateUpdated":"2025-11-03T20:38:38.291Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:26:35.431Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix potential deadlock on __exfat_get_dentry_set\n\nWhen accessing a file with more entries than ES_MAX_ENTRY_NUM, the bh-array\nis allocated in __exfat_get_entry_set. The problem is that the bh-array is\nallocated with GFP_KERNEL. It does not make sense. In the following cases,\na deadlock for sbi->s_lock between the two processes may occur.\n\n       CPU0                CPU1\n       ----                ----\n  kswapd\n   balance_pgdat\n    lock(fs_reclaim)\n                      exfat_iterate\n                       lock(&sbi->s_lock)\n                       exfat_readdir\n                        exfat_get_uniname_from_ext_entry\n                         exfat_get_dentry_set\n                          __exfat_get_dentry_set\n                           kmalloc_array\n                            ...\n                            lock(fs_reclaim)\n    ...\n    evict\n     exfat_evict_inode\n      lock(&sbi->s_lock)\n\nTo fix this, let's allocate bh-array with GFP_NOFS."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/exfat/dir.c"],"versions":[{"version":"bd3bdb9e0d656f760b11d0c638d35d7f7068144d","lessThan":"632fb232b6bbf8277edcbe9ecd4b4d98ecb122eb","status":"affected","versionType":"git"},{"version":"92dcd7d6c6068bf4fd35a6f64d606e27d634807e","lessThan":"c052f775ee6ccacd3c97e4cf41a2a657e63d4259","status":"affected","versionType":"git"},{"version":"d8fe01ad2d8ab33aaf8f2efad9e8f1dae11c4b0c","lessThan":"cd1c7858641384191ff7033fb1fc65dfcd559c6f","status":"affected","versionType":"git"},{"version":"a3ff29a95fde16906304455aa8c0bd84eb770258","lessThan":"a7ac198f8dba791e3144c4da48a5a9b95773ee4b","status":"affected","versionType":"git"},{"version":"a3ff29a95fde16906304455aa8c0bd84eb770258","lessThan":"1d1970493c289e3f44b9ec847ed26a5dbdf56a62","status":"affected","versionType":"git"},{"version":"a3ff29a95fde16906304455aa8c0bd84eb770258","lessThan":"89fc548767a2155231128cb98726d6d2ea1256c9","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/exfat/dir.c"],"versions":[{"version":"6.2","status":"affected"},{"version":"0","lessThan":"6.2","status":"unaffected","versionType":"semver"},{"version":"5.10.232","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.175","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.6.44","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.3","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.190","versionEndExcluding":"5.10.232"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.150","versionEndExcluding":"5.15.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.10.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/632fb232b6bbf8277edcbe9ecd4b4d98ecb122eb"},{"url":"https://git.kernel.org/stable/c/c052f775ee6ccacd3c97e4cf41a2a657e63d4259"},{"url":"https://git.kernel.org/stable/c/cd1c7858641384191ff7033fb1fc65dfcd559c6f"},{"url":"https://git.kernel.org/stable/c/a7ac198f8dba791e3144c4da48a5a9b95773ee4b"},{"url":"https://git.kernel.org/stable/c/1d1970493c289e3f44b9ec847ed26a5dbdf56a62"},{"url":"https://git.kernel.org/stable/c/89fc548767a2155231128cb98726d6d2ea1256c9"}],"title":"exfat: fix potential deadlock on __exfat_get_dentry_set","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-42315","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:09:45.977516Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-12T17:33:26.638Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T20:38:38.291Z"}}]}}