Bug 2482051 (CVE-2026-45901) - CVE-2026-45901 kernel: netfilter: nf_tables: revert commit_mutex usage in reset path
Summary: CVE-2026-45901 kernel: netfilter: nf_tables: revert commit_mutex usage in res...
Keywords:
Status: NEW
Alias: CVE-2026-45901
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-27 15:08 UTC by OSIDB Bzimport
Modified: 2026-05-28 02:22 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-05-27 15:08:54 UTC
In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: revert commit_mutex usage in reset path

It causes circular lock dependency between commit_mutex, nfnl_subsys_ipset
and nlk_cb_mutex when nft reset, ipset list, and iptables-nft with '-m set'
rule run at the same time.

Previous patches made it safe to run individual reset handlers concurrently
so commit_mutex is no longer required to prevent this.


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