CVE-2026-80601

Summary

In the Linux kernel, the following vulnerability has been resolved:

batman-adv: gw: acquire ethernet header only after skb realloc

The pskb_may_pull() called by batadv_get_vid() 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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 < 2760b38222c8828b075802342fe3b91eb823d542affected
LinuxLinux6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 < 6c37f1166549c999ccd164b0cb6462d1ae68f8f6affected
LinuxLinux6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 < b79884a5567bf788fb76c30832467cf6a56f3c0daffected
LinuxLinux6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 < afac8096bde4948e3caa7e4dd733867cfbd3018eaffected
LinuxLinux6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 < e3f4325e35dd6e76b80665f3510738ce34819753affected
LinuxLinux6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 < e6b43acd34b219b807e65096ce207b087942779daffected
LinuxLinux6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 < 916dac5f2944f63f07f7b501acbea6737dbbed0eaffected
LinuxLinux6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 < 77880a3be88d378d60cc1e8f8ec70430e2ed0518affected
LinuxLinux3.14affected
LinuxLinux0 < 3.14unaffected
LinuxLinux5.10.261 <= 5.10.*unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.97 <= 6.12.*unaffected
LinuxLinux6.18.40 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References