CVE-2026-89949batman-adv: dat: avoid unaligned fault in IP extraction
- —Not scoredno CVSS score yet
- 0.22%Exploitation in 30 daysEPSS · top 88% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Linux
- 5 days later
· 5 days later
Published
- 33 days later
· 33 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.
- EPSS (exploitation in 30 days)
- 0.22% · top 88% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f – < b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20
- affected 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f – < 15dbfb37f0e1a085d48deeb8f5238e9d28127dde
- affected 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f – < a170d4617e8cca05a1314de61728a262ef272782
- affected 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f – < c74a4acf41d19f21199dec2d6c813c90d31cd02c
- affected 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f – < 91c99b4e152023c7d458a5dedd52d2b0d7df4ce3
- affected 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f – < 1cfa7d5f70d54cb8c7e82df739430782d1996ee1
- affected 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f – < 0c2df865338bbf92aa45b9253e5f9b8ef2d9992f
- affected 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f – < 0121afa52cdb88cfb4d5d7bd126a23a9100121d8
- affected 3.8
- unaffected < 3.8
- unaffected 5.10.270 – ≤ 5.10.*
- unaffected 5.15.221 – ≤ 5.15.*
- unaffected 6.1.188 – ≤ 6.1.*
- unaffected 6.6.157 – ≤ 6.6.*
- unaffected 6.12.110 – ≤ 6.12.*
- unaffected 6.18.51 – ≤ 6.18.*
- unaffected 7.2.5 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References8
- https://git.kernel.org/stable/c/b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20 (opens in a new tab)
- https://git.kernel.org/stable/c/15dbfb37f0e1a085d48deeb8f5238e9d28127dde (opens in a new tab)
- https://git.kernel.org/stable/c/a170d4617e8cca05a1314de61728a262ef272782 (opens in a new tab)
- https://git.kernel.org/stable/c/c74a4acf41d19f21199dec2d6c813c90d31cd02c (opens in a new tab)
- https://git.kernel.org/stable/c/91c99b4e152023c7d458a5dedd52d2b0d7df4ce3 (opens in a new tab)
- https://git.kernel.org/stable/c/1cfa7d5f70d54cb8c7e82df739430782d1996ee1 (opens in a new tab)
- https://git.kernel.org/stable/c/0c2df865338bbf92aa45b9253e5f9b8ef2d9992f (opens in a new tab)
- https://git.kernel.org/stable/c/0121afa52cdb88cfb4d5d7bd126a23a9100121d8 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-80549 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-89949)Record last updated .