High
batman-adv: bla: reacquire gw address after skb realloc
In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: reacquire gw address after skb realloc The pskb_may_pull() called by batadv_bla_is_backbone_gw() 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 Group revision 1
Original source ↗CVE-2026-72233
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-2026-72233
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": "9e794b6bf4a2c65d698d7433ddfabc54a5d53a88",
"lessThan": "41819c5467b6eb8ab4567f0ac98702ce9b6abbb1",
"versionType": "git"
},
{
"status": "affected",
"version": "9e794b6bf4a2c65d698d7433ddfabc54a5d53a88",
"lessThan": "a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f",
"versionType": "git"
},
{
"status": "affected",
"version": "9e794b6bf4a2c65d698d7433ddfabc54a5d53a88",
"lessThan": "4a6673c55752a7aa41e28f51660eb981504ca088",
"versionType": "git"
},
{
"status": "affected",
"version": "9e794b6bf4a2c65d698d7433ddfabc54a5d53a88",
"lessThan": "ab2bac47a02637df1128a151e81d3ec14767f4bb",
"versionType": "git"
},
{
"status": "affected",
"version": "9e794b6bf4a2c65d698d7433ddfabc54a5d53a88",
"lessThan": "dc16bbf53cede1baf564bf0c8a861114b64e18b3",
"versionType": "git"
},
{
"status": "affected",
"version": "9e794b6bf4a2c65d698d7433ddfabc54a5d53a88",
"lessThan": "e5e18886aadd3870e2d84e32a9678317fab1dd9e",
"versionType": "git"
},
{
"status": "affected",
"version": "9e794b6bf4a2c65d698d7433ddfabc54a5d53a88",
"lessThan": "f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf",
"versionType": "git"
},
{
"status": "affected",
"version": "9e794b6bf4a2c65d698d7433ddfabc54a5d53a88",
"lessThan": "cdf3b5af2bc4431e58629e8ad2086b1e9185c761",
"versionType": "git"
}
],
"programFiles": [
"net/batman-adv/routing.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.12"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.12",
"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/routing.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-72233
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #32980 · Revision 1
- Added to Heist Feed
- Publisher date