{"schema_version":"1.9.0","id":"CVE-2026-63986","published":"2026-07-19T14:56:08.203Z","modified":"2026-08-12T03:51:24.328862967Z","summary":"ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure","details":"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":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906"},{"fixed":"2008f9bb1ede9b688624a241228b8e54fc74f0f6"},{"fixed":"d0d2c5ccd1de28368cebeef74d9c530a60eff9a5"},{"fixed":"c3fc9976f686f9a95baf87db9d387f218fd65394"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63986.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.14.0"},{"fixed":"6.18.35"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63986.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2008f9bb1ede9b688624a241228b8e54fc74f0f6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c3fc9976f686f9a95baf87db9d387f218fd65394"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d0d2c5ccd1de28368cebeef74d9c530a60eff9a5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63986.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63986"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63986.json"}}