Bug 2516251 (CVE-2026-68476) - CVE-2026-68476 kernel: ipvs: reload ip header after head reallocation
Summary: CVE-2026-68476 kernel: ipvs: reload ip header after head reallocation
Keywords:
Status: NEW
Alias: CVE-2026-68476
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-15 06:02 UTC by OSIDB Bzimport
Modified: 2026-10-26 09:28 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:76738 0 None None None 2026-10-07 20:29:05 UTC
Red Hat Product Errata RHSA-2026:89082 0 None None None 2026-10-24 16:39:32 UTC
Red Hat Product Errata RHSA-2026:89083 0 None None None 2026-10-24 16:48:44 UTC

Description OSIDB Bzimport 2026-08-15 06:02:44 UTC 
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.
Comment 1 Keith Grant 2026-08-17 14:38:11 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026081505-CVE-2026-68476-47ba@gregkh/T
Comment 5 Jon Orris 2026-10-07 20:29:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:76738 https://access.redhat.com/errata/RHSA-2026:76738
Comment 6 Jon Orris 2026-10-24 16:39:32 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:89082 https://access.redhat.com/errata/RHSA-2026:89082
Comment 7 Jon Orris 2026-10-24 16:48:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:89083 https://access.redhat.com/errata/RHSA-2026:89083
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