{"id":"CVE-2026-89897","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-89897","summary":"media: cec: Serialize exclusive follower delivery","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cec: Serialize exclusive follower delivery\n\ncec_receive_notify() reads the exclusive follower pointer without the\nadapter lock. Serialize the no-follower check and message delivery\nagainst mode changes and release.","published":"2026-09-16T10:31:58.184Z","modified":"2026-09-18T03:48:33.882027951Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"5.10.270"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1924d0788caa6c66fd320dd4704fae99487fd2c7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/271e57a936dcdbaecb4b1bd005d9a285bbe60ab4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4b532b271c91790b7ab661cd488a7ad36f5c4f6b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5c62095acc2a952099688774513c4a637bcdb2b5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ae614f48712156fb0f55b207338d48d422c58bc0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cac577854826950dda4d53569728b1da6c1425d5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df941e6851da17fc53c7f6af2bdcc7383d17babc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/efc829b4b937f98c4467bffe9243f756b7cfbf7f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89897.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89897"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-18T03:48:33.882027951Z"}}