CVE-2026-80601
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux
PublishedAug 28, 2026
First seenAug 28, 2026
How to fix
Update
- Linux Linux2760b38222c8828b075802342fe3b91eb823d542, 6c37f1166549c999ccd164b0cb6462d1ae68f8f6, b79884a5567bf788fb76c30832467cf6a56f3c0d, afac8096bde4948e3caa7e4dd733867cfbd3018e, e3f4325e35dd6e76b80665f3510738ce34819753, e6b43acd34b219b807e65096ce207b087942779d, 916dac5f2944f63f07f7b501acbea6737dbbed0e, 77880a3be88d378d60cc1e8f8ec70430e2ed0518 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 ≤ v < 2760b38222c8828b075802342fe3b91eb823d542, 6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 ≤ v < 6c37f1166549c999ccd164b0cb6462d1ae68f8f6, 6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 ≤ v < b79884a5567bf788fb76c30832467cf6a56f3c0d, 6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 ≤ v < afac8096bde4948e3caa7e4dd733867cfbd3018e, 6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 ≤ v < e3f4325e35dd6e76b80665f3510738ce34819753, 6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 ≤ v < e6b43acd34b219b807e65096ce207b087942779d, 6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 ≤ v < 916dac5f2944f63f07f7b501acbea6737dbbed0e, 6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9 ≤ v < 77880a3be88d378d60cc1e8f8ec70430e2ed0518, 3.14 | 2760b38222c8828b075802342fe3b91eb823d542, 6c37f1166549c999ccd164b0cb6462d1ae68f8f6, b79884a5567bf788fb76c30832467cf6a56f3c0d, afac8096bde4948e3caa7e4dd733867cfbd3018e, e3f4325e35dd6e76b80665f3510738ce34819753, e6b43acd34b219b807e65096ce207b087942779d, 916dac5f2944f63f07f7b501acbea6737dbbed0e, 77880a3be88d378d60cc1e8f8ec70430e2ed0518 |
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