CVE-2026-68476

ipvs: reload ip header after head reallocation

State: Published
Severity: 9.8 Critical
Published: Aug 15, 2026
Updated: Sep 2, 2026
Reserved: Jul 30, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before 4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7Affected 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before 657118cad620172dfd8f6ed5717fd75c0d1f7a5aAffected 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before a10f5080afbed242640f2984328de25f84557da1Affected 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before ac6ac3d35bfc0ade9d17d354c84e503a946ebdabAffected 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before e51687fc56c2e39ea6e9532925f1aabd4d529f61Affected 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before 3fb7edd2018bb1ad0a68157383d9b9dac33dd645Affected 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before ad1e14710b360bda087ebf9fb82460eb5ef775deAffected 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before a2f57827bf7c695b8c72dc4511cae8e86582369dAffected
LinuxLinux	4.10Affected before 4.10Not affected 5.10.269 through 5.10.Not affected 5.15.220 through 5.15.Not affected 6.1.187 through 6.1.Not affected 6.6.145 through 6.6.Not affected 6.12.97 through 6.12.Not affected 6.18.40 through 6.18.Not affected 7.1.5 through 7.1.*Not affected 7.2 and laterNot affected

Product

Versions

LinuxLinux

8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before 4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7Affected
8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before 657118cad620172dfd8f6ed5717fd75c0d1f7a5aAffected
8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before a10f5080afbed242640f2984328de25f84557da1Affected
8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before ac6ac3d35bfc0ade9d17d354c84e503a946ebdabAffected
8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before e51687fc56c2e39ea6e9532925f1aabd4d529f61Affected
8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before 3fb7edd2018bb1ad0a68157383d9b9dac33dd645Affected
8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before ad1e14710b360bda087ebf9fb82460eb5ef775deAffected
8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 to before a2f57827bf7c695b8c72dc4511cae8e86582369dAffected

LinuxLinux

4.10Affected
before 4.10Not affected
5.10.269 through 5.10.*Not affected
5.15.220 through 5.15.*Not affected
6.1.187 through 6.1.*Not affected
6.6.145 through 6.6.*Not affected
6.12.97 through 6.12.*Not affected
6.18.40 through 6.18.*Not affected
7.1.5 through 7.1.*Not affected
7.2 and laterNot affected

References

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