High
media: cec: Serialize exclusive follower delivery
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.
Announced Group revision 1
Original source ↗CVE-2026-89897
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-89897
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "9881fe0ca187c213eb3a6a8e78e45ad4d1cec171",
"lessThan": "efc829b4b937f98c4467bffe9243f756b7cfbf7f",
"versionType": "git"
},
{
"status": "affected",
"version": "9881fe0ca187c213eb3a6a8e78e45ad4d1cec171",
"lessThan": "cac577854826950dda4d53569728b1da6c1425d5",
"versionType": "git"
},
{
"status": "affected",
"version": "9881fe0ca187c213eb3a6a8e78e45ad4d1cec171",
"lessThan": "4b532b271c91790b7ab661cd488a7ad36f5c4f6b",
"versionType": "git"
},
{
"status": "affected",
"version": "9881fe0ca187c213eb3a6a8e78e45ad4d1cec171",
"lessThan": "271e57a936dcdbaecb4b1bd005d9a285bbe60ab4",
"versionType": "git"
},
{
"status": "affected",
"version": "9881fe0ca187c213eb3a6a8e78e45ad4d1cec171",
"lessThan": "df941e6851da17fc53c7f6af2bdcc7383d17babc",
"versionType": "git"
},
{
"status": "affected",
"version": "9881fe0ca187c213eb3a6a8e78e45ad4d1cec171",
"lessThan": "5c62095acc2a952099688774513c4a637bcdb2b5",
"versionType": "git"
},
{
"status": "affected",
"version": "9881fe0ca187c213eb3a6a8e78e45ad4d1cec171",
"lessThan": "ae614f48712156fb0f55b207338d48d422c58bc0",
"versionType": "git"
},
{
"status": "affected",
"version": "9881fe0ca187c213eb3a6a8e78e45ad4d1cec171",
"lessThan": "1924d0788caa6c66fd320dd4704fae99487fd2c7",
"versionType": "git"
}
],
"programFiles": [
"drivers/media/cec/core/cec-adap.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.8"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.8",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.270",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.221",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.188",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.157",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.110",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.51",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.5",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/media/cec/core/cec-adap.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-89897
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #36344 · Revision 1
- Added to Heist Feed
- Publisher date