{"api_version":"1","generated_at":"2026-07-23T20:03:17+00:00","cve":"CVE-2026-63986","urls":{"html":"https://cve.report/CVE-2026-63986","api":"https://cve.report/api/cve/CVE-2026-63986.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63986","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63986"},"summary":{"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:17","updated_at":"2026-07-19 16:17:17"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2008f9bb1ede9b688624a241228b8e54fc74f0f6","name":"https://git.kernel.org/stable/c/2008f9bb1ede9b688624a241228b8e54fc74f0f6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d0d2c5ccd1de28368cebeef74d9c530a60eff9a5","name":"https://git.kernel.org/stable/c/d0d2c5ccd1de28368cebeef74d9c530a60eff9a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c3fc9976f686f9a95baf87db9d387f218fd65394","name":"https://git.kernel.org/stable/c/c3fc9976f686f9a95baf87db9d387f218fd65394","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63986","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63986","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906 2008f9bb1ede9b688624a241228b8e54fc74f0f6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906 d0d2c5ccd1de28368cebeef74d9c530a60eff9a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906 c3fc9976f686f9a95baf87db9d387f218fd65394 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.35 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.12 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"63986","cve":"CVE-2026-63986","epss":"0.001660000","percentile":"0.061650000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ethtool/tsinfo.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2008f9bb1ede9b688624a241228b8e54fc74f0f6","status":"affected","version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","versionType":"git"},{"lessThan":"d0d2c5ccd1de28368cebeef74d9c530a60eff9a5","status":"affected","version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","versionType":"git"},{"lessThan":"c3fc9976f686f9a95baf87db9d387f218fd65394","status":"affected","version":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ethtool/tsinfo.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.35","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.12","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-07-19T14:56:08.203Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}],"title":"ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63986","datePublished":"2026-07-19T14:56:08.203Z","dateReserved":"2026-07-19T07:54:57.025Z","dateUpdated":"2026-07-19T14:56:08.203Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:17","lastModifiedDate":"2026-07-19 16:17:17","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63986","Ordinal":"1","Title":"ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare","CVE":"CVE-2026-63986","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63986","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare"}]}}}