{"id":"CVE-2024-57927","state":"PUBLISHED","title":"nfs: Fix oops in nfs_netfs_init_request() when copying to cache","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: Fix oops in nfs_netfs_init_request() when copying to cache\n\nWhen netfslib wants to copy some data that has just been read on behalf of\nnfs, it creates a new write request and calls nfs_netfs_init_request() to\ninitialise it, but with a NULL file pointer.  This causes\nnfs_file_open_context() to oops - however, we don't actually need the nfs\ncontext as we're only going to write to the cache.\n\nFix this by just returning if we aren't given a file pointer and emit a\nwarning if the request was for something other than copy-to-cache.\n\nFurther, fix nfs_netfs_free_request() so that it doesn't try to free the\ncontext if the pointer is NULL.","publishedAt":"2025-01-19T11:52:44.567Z","updatedAt":"2026-05-11T21:00:44.106Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","status":"affected","lessThan":"13a07cc81e2d116cece727a83746c74b87a9d417","versionType":"git"},{"version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","status":"affected","lessThan":"86ad1a58f6a9453f49e06ef957a40a8dac00a13f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/fscache.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.12.10","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/fscache.c"]}],"references":["https://git.kernel.org/stable/c/13a07cc81e2d116cece727a83746c74b87a9d417","https://git.kernel.org/stable/c/86ad1a58f6a9453f49e06ef957a40a8dac00a13f"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/57xxx/CVE-2024-57927.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-57927","state":"PUBLISHED","datePublished":"2025-01-19T11:52:44.567Z","dateUpdated":"2026-05-11T21:00:44.106Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-01-19T11:50:08.376Z"},"containers":{"cna":{"title":"nfs: Fix oops in nfs_netfs_init_request() when copying to cache","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: Fix oops in nfs_netfs_init_request() when copying to cache\n\nWhen netfslib wants to copy some data that has just been read on behalf of\nnfs, it creates a new write request and calls nfs_netfs_init_request() to\ninitialise it, but with a NULL file pointer.  This causes\nnfs_file_open_context() to oops - however, we don't actually need the nfs\ncontext as we're only going to write to the cache.\n\nFix this by just returning if we aren't given a file pointer and emit a\nwarning if the request was for something other than copy-to-cache.\n\nFurther, fix nfs_netfs_free_request() so that it doesn't try to free the\ncontext if the pointer is NULL."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","status":"affected","lessThan":"13a07cc81e2d116cece727a83746c74b87a9d417","versionType":"git"},{"version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","status":"affected","lessThan":"86ad1a58f6a9453f49e06ef957a40a8dac00a13f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/fscache.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.12.10","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/fscache.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/13a07cc81e2d116cece727a83746c74b87a9d417"},{"url":"https://git.kernel.org/stable/c/86ad1a58f6a9453f49e06ef957a40a8dac00a13f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:00:44.106Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-57927","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:52:59.606931Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:57:14.448Z"}}]}}}