Description
In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation __ip_vs_get_out_rt() calls skb_ensure_writable() which may reallocate skb->head.
References8
- git.kernel.org/stable/c/3fb7edd2018bb1ad0a68157383d9b9dac33dd645
- git.kernel.org/stable/c/4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7
- git.kernel.org/stable/c/657118cad620172dfd8f6ed5717fd75c0d1f7a5a
- git.kernel.org/stable/c/a10f5080afbed242640f2984328de25f84557da1
- git.kernel.org/stable/c/a2f57827bf7c695b8c72dc4511cae8e86582369d
- git.kernel.org/stable/c/ac6ac3d35bfc0ade9d17d354c84e503a946ebdab
- git.kernel.org/stable/c/ad1e14710b360bda087ebf9fb82460eb5ef775de
- git.kernel.org/stable/c/e51687fc56c2e39ea6e9532925f1aabd4d529f61
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 54 · as of 12 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.