batman-adv: dat: avoid unaligned fault in IP extraction
In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: avoid unaligned fault in IP extraction Independent of the alignment of the ARP packet in the SKB, either the batadv_arp_ip_src or the batadv_arp_ip_dst will have an unaligned access (on HW without native unaligned read support). Use get_unaligned() to handle this properly on all architectures.
CVE-2026-89949
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-2026-89949
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": "5c3a0e5535933349a5d6e6bc8b704e0611f21d3f",
"lessThan": "b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20",
"versionType": "git"
},
{
"status": "affected",
"version": "5c3a0e5535933349a5d6e6bc8b704e0611f21d3f",
"lessThan": "15dbfb37f0e1a085d48deeb8f5238e9d28127dde",
"versionType": "git"
},
{
"status": "affected",
"version": "5c3a0e5535933349a5d6e6bc8b704e0611f21d3f",
"lessThan": "a170d4617e8cca05a1314de61728a262ef272782",
"versionType": "git"
},
{
"status": "affected",
"version": "5c3a0e5535933349a5d6e6bc8b704e0611f21d3f",
"lessThan": "c74a4acf41d19f21199dec2d6c813c90d31cd02c",
"versionType": "git"
},
{
"status": "affected",
"version": "5c3a0e5535933349a5d6e6bc8b704e0611f21d3f",
"lessThan": "91c99b4e152023c7d458a5dedd52d2b0d7df4ce3",
"versionType": "git"
},
{
"status": "affected",
"version": "5c3a0e5535933349a5d6e6bc8b704e0611f21d3f",
"lessThan": "1cfa7d5f70d54cb8c7e82df739430782d1996ee1",
"versionType": "git"
},
{
"status": "affected",
"version": "5c3a0e5535933349a5d6e6bc8b704e0611f21d3f",
"lessThan": "0c2df865338bbf92aa45b9253e5f9b8ef2d9992f",
"versionType": "git"
},
{
"status": "affected",
"version": "5c3a0e5535933349a5d6e6bc8b704e0611f21d3f",
"lessThan": "0121afa52cdb88cfb4d5d7bd126a23a9100121d8",
"versionType": "git"
}
],
"programFiles": [
"net/batman-adv/distributed-arp-table.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.8"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.8",
"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": [
"net/batman-adv/distributed-arp-table.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-89949
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #36389 · Revision 1
- Added to Heist Feed
- Publisher date