vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-89949

batman-adv: dat: avoid unaligned fault in IP extraction

N/A
Published: September 16, 2026 at 10:32 AM UTC
Updated: October 19, 2026 at 09:18 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
3.85c3a0e5535933349a5d6e6bc8b704e0611f21d3f
Vendor states this is fixed in 0121afa52cdb88cfb4d5d7bd126a23a9100121d8 (fixed)
Vendor states this is fixed in 0c2df865338bbf92aa45b9253e5f9b8ef2d9992f (fixed)
Vendor states this is fixed in 15dbfb37f0e1a085d48deeb8f5238e9d28127dde (fixed)
Vendor states this is fixed in 1cfa7d5f70d54cb8c7e82df739430782d1996ee1 (fixed)
Vendor states this is fixed in 91c99b4e152023c7d458a5dedd52d2b0d7df4ce3 (fixed)
Vendor states this is fixed in a170d4617e8cca05a1314de61728a262ef272782 (fixed)
Vendor states this is fixed in b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20 (fixed)
Vendor states this is fixed in c74a4acf41d19f21199dec2d6c813c90d31cd02c (fixed)
Vendor states this is fixed in 3.8 (unaffected)
Vendor states this is fixed in 5.10.270 (unaffected)
Vendor states this is fixed in 5.15.221 (unaffected)
Vendor states this is fixed in 6.1.188 (unaffected)
Vendor states this is fixed in 6.12.110 (unaffected)
Vendor states this is fixed in 6.18.51 (unaffected)
Vendor states this is fixed in 6.6.157 (unaffected)
Vendor states this is fixed in 7.2.5 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (8)

Source: cverecord
https://git.kernel.org/stable/c/b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20
Source: cverecord
https://git.kernel.org/stable/c/15dbfb37f0e1a085d48deeb8f5238e9d28127dde
Source: cverecord
https://git.kernel.org/stable/c/a170d4617e8cca05a1314de61728a262ef272782
Source: cverecord
https://git.kernel.org/stable/c/c74a4acf41d19f21199dec2d6c813c90d31cd02c
Source: cverecord
https://git.kernel.org/stable/c/91c99b4e152023c7d458a5dedd52d2b0d7df4ce3
Source: cverecord
https://git.kernel.org/stable/c/1cfa7d5f70d54cb8c7e82df739430782d1996ee1
Source: cverecord
https://git.kernel.org/stable/c/0c2df865338bbf92aa45b9253e5f9b8ef2d9992f
Source: cverecord
https://git.kernel.org/stable/c/0121afa52cdb88cfb4d5d7bd126a23a9100121d8

Quick Info

StatusRECEIVED

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card