PT-2026-51882 · Linux+2 · Linux Kernel+2

CVE-2026-52988

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Published

2026-04-21

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Updated

2026-09-07

CVSS v3.1

7.1

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the netfilter nf tables component where the process of joining the hook list during the commit phase was not handled safely. This could lead to unsafe netlink dump list traversal via RCU (Read-Copy-Update, a synchronization mechanism) during concurrent ruleset updates.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Race Condition

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Weakness Enumeration

Related Identifiers

AZL-90504
BDU:2026-13938
CVE-2026-52988
OESA-2026-3204
OPENSUSE-SU-2026:21555-1
SUSE-SU-2026:23066-1
SUSE-SU-2026:23068-1
SUSE-SU-2026:23193-1
SUSE-SU-2026:23194-1
SUSE-SU-2026:23221-1
SUSE-SU-2026:23231-1
SUSE-SU-2026:23237-1
SUSE-SU-2026:23241-1
SUSE-SU-2026:23244-1
SUSE-SU-2026:3790-1
SUSE-SU-2026:3810-1
USN-8566-1
USN-8568-1
USN-8569-1
USN-8593-1
USN-8603-1
USN-8618-1
USN-8663-1
USN-8664-1
USN-8728-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu