CVE-2026-45901 Details
Description
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.
A vulnerability in the Linux kernel's netfilter component, specifically within the nf_tables subsystem, has been addressed. The issue arose from an improper handling of the commit_mutex, which created a circular lock dependency involving commit_mutex, nfnl_subsys_ipset, and nlk_cb_mutex. This dependency emerged when nft reset, ipset list, and iptables-nft with '-m set' rules were executed simultaneously. The vulnerability affected several versions of the Linux kernel.
Users can update to the latest version of the Linux kernel where this vulnerability has been fixed. Instructions for updating the Linux kernel can be found in the official Linux kernel documentation.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/7f261bb906bf527c4a6e2a646e2d5f3679f2a8bc | kernel.org | Patch |
| https://git.kernel.org/stable/c/d66bedfe97a2bc321fa8118e669aae988038f729 | kernel.org | |
| https://git.kernel.org/stable/c/ee3978b6a0dcd4215cb7cedcba705a12174786a7 | kernel.org | Patch |
| https://git.kernel.org/stable/c/f6410d18c1e2da325df02be989d5bca5ed38b086 | kernel.org |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 6.1.107, < 6.2 >= 6.6.48, < 6.19.4 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 3, 2026 | CVE Modified | kernel.org |
| Jun 24, 2026 | Initial Analysis | [email protected] |
| Jun 17, 2026 | CVE Modified | kernel.org |
| May 27, 2026 | New CVE Received | kernel.org |