batman-adv: bla: reacquire gw address after skb realloc (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.34 % · percentile 28 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
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.
References
- https://git.kernel.org/stable/c/41819c5467b6eb8ab4567f0ac98702ce9b6abbb1
- https://git.kernel.org/stable/c/a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f
- https://git.kernel.org/stable/c/4a6673c55752a7aa41e28f51660eb981504ca088
- https://git.kernel.org/stable/c/ab2bac47a02637df1128a151e81d3ec14767f4bb
- https://git.kernel.org/stable/c/dc16bbf53cede1baf564bf0c8a861114b64e18b3
- https://git.kernel.org/stable/c/e5e18886aadd3870e2d84e32a9678317fab1dd9e
- https://git.kernel.org/stable/c/f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf
- https://git.kernel.org/stable/c/cdf3b5af2bc4431e58629e8ad2086b1e9185c761
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-59132
- GCVE · GCVE-0-2026-72233
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1333 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 < 41819c5467b6eb8ab4567f0ac98702ce9b6abbb1 ; affected 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 < a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f ; affected 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 < 4a6673c55752a7aa41e28f51660eb981504ca088 ; affected 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 < ab2bac47a02637df1128a151e81d3ec14767f4bb ; affected 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 < dc16bbf53cede1baf564bf0c8a861114b64e18b3 ; affected 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 < e5e18886aadd3870e2d84e32a9678317fab1dd9e |
| Linux · Linux | affected 4.12 ; unaffected 0 < 4.12 ; unaffected 5.10.261 ≤ 5.10.* ; unaffected 5.15.212 ≤ 5.15.* ; unaffected 6.1.178 ≤ 6.1.* ; unaffected 6.6.145 ≤ 6.6.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |