CVE-2026-31683 - batman-adv: avoid OGM aggregation when skb tailroom is insufficient

CVE-2026-31683 - batman-adv: avoid OGM aggregation when skb tailroom is insufficient

https://cvefeed.io/rssfeed/latest.atom / Sat, 04/25/2026 - 14:20
CVE ID :CVE-2026-31683
Published : April 25, 2026, 9:16 a.m. | 2 hours, 57 minutes ago
Description :In the Linux kernel, the following vulnerability has been resolved: batman-adv: avoid OGM aggregation when skb tailroom is insufficient When OGM aggregation state is toggled at runtime, an existing forwarded packet may have been allocated with only packet_len bytes, while a later packet can still be selected for aggregation. Appending in this case can hit skb_put overflow conditions. Reject aggregation when the target skb tailroom cannot accommodate the new packet. The caller then falls back to creating a new forward packet instead of appending.
Severity: 0.0 | NA
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