{"id":"CVE-2026-89897","revision":"ac0ddd0b492644e7a5ace64420aa8859","records":[{"revision":"ac0ddd0b492644e7a5ace64420aa8859","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89897","aliases":[],"title":"media: cec: Serialize exclusive follower delivery","description":"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.","state":0,"publishedAt":"2026-09-16T10:31:58.184+00:00","modifiedAt":"2026-10-19T08:54:30.169+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/media/cec/core/cec-adap.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"9881fe0ca187c213eb3a6a8e78e45ad4d1cec171\",\n                            \"lessThan\": \"efc829b4b937f98c4467bffe9243f756b7cfbf7f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9881fe0ca187c213eb3a6a8e78e45ad4d1cec171\",\n                            \"lessThan\": \"cac577854826950dda4d53569728b1da6c1425d5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9881fe0ca187c213eb3a6a8e78e45ad4d1cec171\",\n                            \"lessThan\": \"4b532b271c91790b7ab661cd488a7ad36f5c4f6b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9881fe0ca187c213eb3a6a8e78e45ad4d1cec171\",\n                            \"lessThan\": \"271e57a936dcdbaecb4b1bd005d9a285bbe60ab4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9881fe0ca187c213eb3a6a8e78e45ad4d1cec171\",\n                            \"lessThan\": \"df941e6851da17fc53c7f6af2bdcc7383d17babc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9881fe0ca187c213eb3a6a8e78e45ad4d1cec171\",\n                            \"lessThan\": \"5c62095acc2a952099688774513c4a637bcdb2b5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9881fe0ca187c213eb3a6a8e78e45ad4d1cec171\",\n                            \"lessThan\": \"ae614f48712156fb0f55b207338d48d422c58bc0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9881fe0ca187c213eb3a6a8e78e45ad4d1cec171\",\n                            \"lessThan\": \"1924d0788caa6c66fd320dd4704fae99487fd2c7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/media/cec/core/cec-adap.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.8\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/efc829b4b937f98c4467bffe9243f756b7cfbf7f","https://git.kernel.org/stable/c/cac577854826950dda4d53569728b1da6c1425d5","https://git.kernel.org/stable/c/4b532b271c91790b7ab661cd488a7ad36f5c4f6b","https://git.kernel.org/stable/c/271e57a936dcdbaecb4b1bd005d9a285bbe60ab4","https://git.kernel.org/stable/c/df941e6851da17fc53c7f6af2bdcc7383d17babc","https://git.kernel.org/stable/c/5c62095acc2a952099688774513c4a637bcdb2b5","https://git.kernel.org/stable/c/ae614f48712156fb0f55b207338d48d422c58bc0","https://git.kernel.org/stable/c/1924d0788caa6c66fd320dd4704fae99487fd2c7"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89897","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89897","identifiers":["CVE-2026-89897"]},"retained":false,"historicalAffected":[]}],"coverage":[]}