{"id":"CVE-2025-40010","state":"PUBLISHED","title":"afs: Fix potential null pointer dereference in afs_put_server","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix potential null pointer dereference in afs_put_server\n\nafs_put_server() accessed server->debug_id before the NULL check, which\ncould lead to a null pointer dereference. Move the debug_id assignment,\nensuring we never dereference a NULL server pointer.","publishedAt":"2025-10-20T15:26:55.874Z","updatedAt":"2026-05-11T21:40:44.043Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"7b8381f3c405b864a814d747e526e078c3ef4bc2","versionType":"git"},{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"cab278cead49a547ac84c3e185f446f381303eae","versionType":"git"},{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"a13dbc5e20c7284b82afe6f08debdecf51d2ca04","versionType":"git"},{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"41782c44bb8431c43043129ae42f2ba614938479","versionType":"git"},{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"9158c6bb245113d4966df9b2ba602197a379412e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/afs/server.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.155","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.109","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.50","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.10","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/afs/server.c"]}],"references":["https://git.kernel.org/stable/c/7b8381f3c405b864a814d747e526e078c3ef4bc2","https://git.kernel.org/stable/c/cab278cead49a547ac84c3e185f446f381303eae","https://git.kernel.org/stable/c/a13dbc5e20c7284b82afe6f08debdecf51d2ca04","https://git.kernel.org/stable/c/41782c44bb8431c43043129ae42f2ba614938479","https://git.kernel.org/stable/c/9158c6bb245113d4966df9b2ba602197a379412e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40010.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40010","state":"PUBLISHED","datePublished":"2025-10-20T15:26:55.874Z","dateUpdated":"2026-05-11T21:40:44.043Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.151Z"},"containers":{"cna":{"title":"afs: Fix potential null pointer dereference in afs_put_server","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix potential null pointer dereference in afs_put_server\n\nafs_put_server() accessed server->debug_id before the NULL check, which\ncould lead to a null pointer dereference. Move the debug_id assignment,\nensuring we never dereference a NULL server pointer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"7b8381f3c405b864a814d747e526e078c3ef4bc2","versionType":"git"},{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"cab278cead49a547ac84c3e185f446f381303eae","versionType":"git"},{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"a13dbc5e20c7284b82afe6f08debdecf51d2ca04","versionType":"git"},{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"41782c44bb8431c43043129ae42f2ba614938479","versionType":"git"},{"version":"2757a4dc184997c66ef1de32636f73b9f21aac14","status":"affected","lessThan":"9158c6bb245113d4966df9b2ba602197a379412e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/afs/server.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.155","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.109","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.50","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.10","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/afs/server.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7b8381f3c405b864a814d747e526e078c3ef4bc2"},{"url":"https://git.kernel.org/stable/c/cab278cead49a547ac84c3e185f446f381303eae"},{"url":"https://git.kernel.org/stable/c/a13dbc5e20c7284b82afe6f08debdecf51d2ca04"},{"url":"https://git.kernel.org/stable/c/41782c44bb8431c43043129ae42f2ba614938479"},{"url":"https://git.kernel.org/stable/c/9158c6bb245113d4966df9b2ba602197a379412e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:40:44.043Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.155"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.12.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.16.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}