CVE-2026-89897

CVE-2026-89897

High · published September 16, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
22.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00307 · 22.2th percentile
Published
2026-09-16T15:16Z
References (8)
https://git.kernel.org/stable/c/1924d0788caa6c66fd320dd4704fae99487fd2c7 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/271e57a936dcdbaecb4b1bd005d9a285bbe60ab4 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4b532b271c91790b7ab661cd488a7ad36f5c4f6b · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5c62095acc2a952099688774513c4a637bcdb2b5 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ae614f48712156fb0f55b207338d48d422c58bc0 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cac577854826950dda4d53569728b1da6c1425d5 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/df941e6851da17fc53c7f6af2bdcc7383d17babc · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/efc829b4b937f98c4467bffe9243f756b7cfbf7f · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 18 SEP 04:02Z
    EPSS moved — → 0%
    epss
  • 16 SEP 10:31Z
    media: cec: Serialize exclusive follower delivery
    cvelistv5