{"id":"CVE-2026-68379","summary":"tcp: fix TIME_WAIT socket reference leak on PSP policy failure","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: fix TIME_WAIT socket reference leak on PSP policy failure\n\nRelease the TIME_WAIT socket reference and jump to discard_it\nupon PSP policy failure in both IPv4 and IPv6 receive paths.\nThis prevents a memory leak of tcp_tw_bucket structures.","modified":"2026-08-18T03:31:09.734120389Z","published":"2026-08-10T12:03:57.537Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68379.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2c1931a81122c3cdc4c89448fe0442c69e21c0d5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/374742a961becbbfc7fbfd1382d978a05e492741"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e666af5dcc905ba694745963174d232deb478c55"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68379.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68379"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"659a2899a57da59f433182eba571881884d6323e"},{"fixed":"e666af5dcc905ba694745963174d232deb478c55"},{"fixed":"374742a961becbbfc7fbfd1382d978a05e492741"},{"fixed":"2c1931a81122c3cdc4c89448fe0442c69e21c0d5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-68379.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.18.0"},{"fixed":"6.18.42"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-68379.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}