{"id":"CVE-2026-63986","state":"PUBLISHED","title":"ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure\n\nThe goto err label leads to:\n\n\tgenlmsg_cancel(skb, ehdr);\n\treturn ret;\n\nIf ethnl_tsinfo_prepare_dump() failed, it has not started a genlmsg.\nThere's nothing to cancel, and passing an error pointer to\ngenlmsg_cancel() would cause a crash.","publishedAt":"2026-07-19T14:56:08.203Z","updatedAt":"2026-07-19T14:56:08.203Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","status":"affected","lessThan":"2008f9bb1ede9b688624a241228b8e54fc74f0f6","versionType":"git"},{"version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","status":"affected","lessThan":"d0d2c5ccd1de28368cebeef74d9c530a60eff9a5","versionType":"git"},{"version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","status":"affected","lessThan":"c3fc9976f686f9a95baf87db9d387f218fd65394","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/tsinfo.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.35","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.12","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/tsinfo.c"]}],"references":["https://git.kernel.org/stable/c/2008f9bb1ede9b688624a241228b8e54fc74f0f6","https://git.kernel.org/stable/c/d0d2c5ccd1de28368cebeef74d9c530a60eff9a5","https://git.kernel.org/stable/c/c3fc9976f686f9a95baf87db9d387f218fd65394"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/63xxx/CVE-2026-63986.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63986","state":"PUBLISHED","datePublished":"2026-07-19T14:56:08.203Z","dateUpdated":"2026-07-19T14:56:08.203Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T07:54:57.025Z"},"containers":{"cna":{"title":"ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure\n\nThe goto err label leads to:\n\n\tgenlmsg_cancel(skb, ehdr);\n\treturn ret;\n\nIf ethnl_tsinfo_prepare_dump() failed, it has not started a genlmsg.\nThere's nothing to cancel, and passing an error pointer to\ngenlmsg_cancel() would cause a crash."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","status":"affected","lessThan":"2008f9bb1ede9b688624a241228b8e54fc74f0f6","versionType":"git"},{"version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","status":"affected","lessThan":"d0d2c5ccd1de28368cebeef74d9c530a60eff9a5","versionType":"git"},{"version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","status":"affected","lessThan":"c3fc9976f686f9a95baf87db9d387f218fd65394","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/tsinfo.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.35","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.12","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/tsinfo.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2008f9bb1ede9b688624a241228b8e54fc74f0f6"},{"url":"https://git.kernel.org/stable/c/d0d2c5ccd1de28368cebeef74d9c530a60eff9a5"},{"url":"https://git.kernel.org/stable/c/c3fc9976f686f9a95baf87db9d387f218fd65394"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-07-19T14:56:08.203Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.0.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}