High
batman-adv: gw: acquire ethernet header only after skb realloc
In the Linux kernel, the following vulnerability has been resolved: batman-adv: gw: acquire ethernet header only after skb realloc The pskb_may_pull() called by batadv_get_vid() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free.
Announced Source revision 1
Original source ↗CVE-2026-80601
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-2026-80601
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": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
"lessThan": "2760b38222c8828b075802342fe3b91eb823d542",
"versionType": "git"
},
{
"status": "affected",
"version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
"lessThan": "6c37f1166549c999ccd164b0cb6462d1ae68f8f6",
"versionType": "git"
},
{
"status": "affected",
"version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
"lessThan": "b79884a5567bf788fb76c30832467cf6a56f3c0d",
"versionType": "git"
},
{
"status": "affected",
"version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
"lessThan": "afac8096bde4948e3caa7e4dd733867cfbd3018e",
"versionType": "git"
},
{
"status": "affected",
"version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
"lessThan": "e3f4325e35dd6e76b80665f3510738ce34819753",
"versionType": "git"
},
{
"status": "affected",
"version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
"lessThan": "e6b43acd34b219b807e65096ce207b087942779d",
"versionType": "git"
},
{
"status": "affected",
"version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
"lessThan": "916dac5f2944f63f07f7b501acbea6737dbbed0e",
"versionType": "git"
},
{
"status": "affected",
"version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
"lessThan": "77880a3be88d378d60cc1e8f8ec70430e2ed0518",
"versionType": "git"
}
],
"programFiles": [
"net/batman-adv/gateway_client.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.14"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.14",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.261",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.212",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.178",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.145",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.97",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.40",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.5",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/batman-adv/gateway_client.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-80601
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #34341 · Revision 1
- Added to Heist Feed
- Publisher date