Vulnerability details
CVE-2026-89897
Linux Linux
media: cec: Serialize exclusive follower delivery
CVSS 3.1
7.5High
Official description
In the Linux kernel, the following vulnerability has been resolved: media: cec: Serialize exclusive follower delivery cec_receive_notify() reads the exclusive follower pointer without the adapter lock. Serialize the no-follower check and message delivery against mode changes and release.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 4.8 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ≤ v < cac577854826950dda4d53569728b1da6c1425d5 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ≤ v < 4b532b271c91790b7ab661cd488a7ad36f5c4f6b | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ≤ v < 271e57a936dcdbaecb4b1bd005d9a285bbe60ab4 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ≤ v < efc829b4b937f98c4467bffe9243f756b7cfbf7f | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ≤ v < 5c62095acc2a952099688774513c4a637bcdb2b5 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ≤ v < ae614f48712156fb0f55b207338d48d422c58bc0 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ≤ v < 1924d0788caa6c66fd320dd4704fae99487fd2c7 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 ≤ v < df941e6851da17fc53c7f6af2bdcc7383d17babc | CVEProject cvelistV5 (CNA) |
References and advisories
8- 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
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2026-09-16
- Last updated
- 2026-10-19
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.3%
Probability of exploitation in 30 days
23.5%
Percentile (among all CVEs)
Weaknesses (CWE)
- —