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Critical 9.8Published Aug 15, 2026
CVE-2026-68476ipvs: reload ip header after head reallocation
Updated under an hour ago ()
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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
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Sep 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 builds before 4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7; from 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before 657118cad620172dfd8f6ed5717fd75c0d1f7a5a; from 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before a10f5080afbed242640f2984328de25f84557da1; from 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before ac6ac3d35bfc0ade9d17d354c84e503a946ebdab; from 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before e51687fc56c2e39ea6e9532925f1aabd4d529f61; 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 builds before 3fb7edd2018bb1ad0a68157383d9b9dac33dd645; from 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before ad1e14710b360bda087ebf9fb82460eb5ef775de; from 8d8e20e2d7bba8c50e64e0eca1cb83956f468e49 before a2f57827bf7c695b8c72dc4511cae8e86582369d | CNA record |
References
- https://git.kernel.org/stable/c/4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7
- https://git.kernel.org/stable/c/657118cad620172dfd8f6ed5717fd75c0d1f7a5a
- https://git.kernel.org/stable/c/a10f5080afbed242640f2984328de25f84557da1
- https://git.kernel.org/stable/c/ac6ac3d35bfc0ade9d17d354c84e503a946ebdab
- https://git.kernel.org/stable/c/e51687fc56c2e39ea6e9532925f1aabd4d529f61
- https://git.kernel.org/stable/c/3fb7edd2018bb1ad0a68157383d9b9dac33dd645
- https://git.kernel.org/stable/c/ad1e14710b360bda087ebf9fb82460eb5ef775de
- https://git.kernel.org/stable/c/a2f57827bf7c695b8c72dc4511cae8e86582369d
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.