Bug 2460701 (CVE-2026-31496) - CVE-2026-31496 kernel: netfilter: nf_conntrack_expect: skip expectations in other netns via proc
Summary: CVE-2026-31496 kernel: netfilter: nf_conntrack_expect: skip expectations in o...
Keywords:
Status: NEW
Alias: CVE-2026-31496
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-22 15:06 UTC by OSIDB Bzimport
Modified: 2026-04-22 19:14 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-04-22 15:06:18 UTC 
In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_conntrack_expect: skip expectations in other netns via proc

Skip expectations that do not reside in this netns.

Similar to e77e6ff502ea ("netfilter: conntrack: do not dump other netns's
conntrack entries via proc").
Comment 1 Keith Grant 2026-04-22 19:13:52 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026042203-CVE-2026-31496-e130@gregkh/T
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