by Kastro
Paper/Archive/CVE-2026-68476

CVE-2026-68476

Linux Linux — ipvs: reload ip header after head reallocation

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 53.7.537 × 2010.7No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Linux8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 – < 4f2d1151421520d7ae16ca8d367d0ca09f5dfbd74f2d1151421520d7ae16ca8d367d0ca09f5dfbd7CNA
Linux8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 – < 657118cad620172dfd8f6ed5717fd75c0d1f7a5a657118cad620172dfd8f6ed5717fd75c0d1f7a5aCNA
Linux8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 – < a10f5080afbed242640f2984328de25f84557da1a10f5080afbed242640f2984328de25f84557da1CNA
Linux8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 – < ac6ac3d35bfc0ade9d17d354c84e503a946ebdabac6ac3d35bfc0ade9d17d354c84e503a946ebdabCNA
Linux8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 – < e51687fc56c2e39ea6e9532925f1aabd4d529f61e51687fc56c2e39ea6e9532925f1aabd4d529f61CNA
Linux8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 – < 3fb7edd2018bb1ad0a68157383d9b9dac33dd6453fb7edd2018bb1ad0a68157383d9b9dac33dd645CNA
Linux8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 – < ad1e14710b360bda087ebf9fb82460eb5ef775dead1e14710b360bda087ebf9fb82460eb5ef775deCNA
Linux8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 – < a2f57827bf7c695b8c72dc4511cae8e86582369da2f57827bf7c695b8c72dc4511cae8e86582369dCNA
Linux4.10–CNA

Scores by source

Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refgit.kernel.org/stable/c/4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7refgit.kernel.org/stable/c/657118cad620172dfd8f6ed5717fd75c0d1f7a5arefgit.kernel.org/stable/c/a10f5080afbed242640f2984328de25f84557da1refgit.kernel.org/stable/c/ac6ac3d35bfc0ade9d17d354c84e503a946ebdabrefgit.kernel.org/stable/c/e51687fc56c2e39ea6e9532925f1aabd4d529f61refgit.kernel.org/stable/c/3fb7edd2018bb1ad0a68157383d9b9dac33dd645refgit.kernel.org/stable/c/ad1e14710b360bda087ebf9fb82460eb5ef775derefgit.kernel.org/stable/c/a2f57827bf7c695b8c72dc4511cae8e86582369d