HighFix available
media: cec: Serialize exclusive follower delivery
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.270, 5.15.221, 6.1.188, 6.12.110, 6.18.51, 6.6.157, 7.2.5
- CVEs
- CVE-2026-89897
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 22:36 UTC · Revision 1
Source evidence
media: cec: Serialize exclusive follower delivery
core-osv · Original sourcePublished 16 Sept 2026, 10:31 UTC
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.
osv:CVE-2026-89897
Kernel
Fixed versions: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.51, 7.2.5
Complete source record
{
"id": "01306112dc37be14d28c8e9a32cbf526629aeb6a224d819e0885ea953b451444",
"url": "https://osv.dev/vulnerability/CVE-2026-89897",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "media: cec: Serialize exclusive follower delivery",
"summary": "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.",
"evidence": "osv:CVE-2026-89897",
"products": [
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"fixed_versions": [
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"value": "5.10.270",
"evidence": "/affected/1/ranges"
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{
"value": "5.15.221",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.188",
"evidence": "/affected/1/ranges"
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{
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{
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"evidence": "/affected/1/ranges"
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{
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{
"value": "7.2.5",
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}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CVE-2026-89897",
"aliases": [
"CVE-2026-89897"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
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"type": "GIT",
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{
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{
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}
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}
],
"database_specific": {
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}
},
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
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{
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{
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"events": [
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{
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},
{
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"events": [
{
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{
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.13.0"
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{
"fixed": "6.18.51"
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.19.0"
},
{
"fixed": "7.2.5"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89897.json"
}
}
],
"modified": "2026-10-28T02:30:23.939868042Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/1924d0788caa6c66fd320dd4704fae99487fd2c7",
"https://git.kernel.org/stable/c/271e57a936dcdbaecb4b1bd005d9a285bbe60ab4",
"https://git.kernel.org/stable/c/4b532b271c91790b7ab661cd488a7ad36f5c4f6b",
"https://git.kernel.org/stable/c/5c62095acc2a952099688774513c4a637bcdb2b5",
"https://git.kernel.org/stable/c/ae614f48712156fb0f55b207338d48d422c58bc0",
"https://git.kernel.org/stable/c/cac577854826950dda4d53569728b1da6c1425d5",
"https://git.kernel.org/stable/c/df941e6851da17fc53c7f6af2bdcc7383d17babc",
"https://git.kernel.org/stable/c/efc829b4b937f98c4467bffe9243f756b7cfbf7f",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89897.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-89897",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89897.json"
}
},
"related_cves": [
{
"value": "CVE-2026-89897",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 490612,
"published_at": "2026-09-16T10:31:58.184+00:00"
}