{"id":"CVE-2025-40299","state":"PUBLISHED","title":"gve: Implement gettimex64 with -EOPNOTSUPP","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngve: Implement gettimex64 with -EOPNOTSUPP\n\ngve implemented a ptp_clock for sole use of do_aux_work at this time.\nptp_clock_gettime() and ptp_sys_offset() assume every ptp_clock has\nimplemented either gettimex64 or gettime64. Stub gettimex64 and return\n-EOPNOTSUPP to prevent NULL dereferencing.","publishedAt":"2025-12-08T00:46:23.626Z","updatedAt":"2026-05-11T21:46:39.974Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"acd16380523b400400523fe54c7499320e558e80","status":"affected","lessThan":"96ec90412ceb58c73fd3714e40ab2cee1eedac3b","versionType":"git"},{"version":"acd16380523b400400523fe54c7499320e558e80","status":"affected","lessThan":"6ab753b5d8e521616cd9bd10b09891cbeb7e0235","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/google/gve/gve_ptp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/google/gve/gve_ptp.c"]}],"references":["https://git.kernel.org/stable/c/96ec90412ceb58c73fd3714e40ab2cee1eedac3b","https://git.kernel.org/stable/c/6ab753b5d8e521616cd9bd10b09891cbeb7e0235"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40299.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40299","state":"PUBLISHED","datePublished":"2025-12-08T00:46:23.626Z","dateUpdated":"2026-05-11T21:46:39.974Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.185Z"},"containers":{"cna":{"title":"gve: Implement gettimex64 with -EOPNOTSUPP","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngve: Implement gettimex64 with -EOPNOTSUPP\n\ngve implemented a ptp_clock for sole use of do_aux_work at this time.\nptp_clock_gettime() and ptp_sys_offset() assume every ptp_clock has\nimplemented either gettimex64 or gettime64. Stub gettimex64 and return\n-EOPNOTSUPP to prevent NULL dereferencing."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"acd16380523b400400523fe54c7499320e558e80","status":"affected","lessThan":"96ec90412ceb58c73fd3714e40ab2cee1eedac3b","versionType":"git"},{"version":"acd16380523b400400523fe54c7499320e558e80","status":"affected","lessThan":"6ab753b5d8e521616cd9bd10b09891cbeb7e0235","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/google/gve/gve_ptp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/google/gve/gve_ptp.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/96ec90412ceb58c73fd3714e40ab2cee1eedac3b"},{"url":"https://git.kernel.org/stable/c/6ab753b5d8e521616cd9bd10b09891cbeb7e0235"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:46:39.974Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}