Critical severity · published Aug 15, 2026
CVE-2026-68476
ipvs: reload ip header after head reallocation
9.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before 4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7; 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before 657118cad620172dfd8f6ed5717fd75c0d1f7a5a; 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before a10f5080afbed242640f2984328de25f84557da1; 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before ac6ac3d35bfc0ade9d17d354c84e503a946ebdab; 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before e51687fc56c2e39ea6e9532925f1aabd4d529f61; 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before 3fb7edd2018bb1ad0a68157383d9b9dac33dd645; +3 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-68476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-68476
git.kernel.org
https://git.kernel.org/stable/c/3fb7edd2018bb1ad0a68157383d9b9dac33dd645
git.kernel.org
https://git.kernel.org/stable/c/4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7
git.kernel.org
https://git.kernel.org/stable/c/657118cad620172dfd8f6ed5717fd75c0d1f7a5a
git.kernel.org
https://git.kernel.org/stable/c/a10f5080afbed242640f2984328de25f84557da1
git.kernel.org
https://git.kernel.org/stable/c/a2f57827bf7c695b8c72dc4511cae8e86582369d
git.kernel.org
https://git.kernel.org/stable/c/ac6ac3d35bfc0ade9d17d354c84e503a946ebdab
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