PT-2025-43611 · Linux+2 · Linux Kernel+2

Published

2025-10-24

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Updated

2026-05-26

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CVE-2023-53733

None

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Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A flaw exists in the Linux kernel related to network packet scheduling with the class identifier (cls u32). Specifically, if the u32 replace hw knode function fails, the associated tcf bind filter operation is not properly undone. This can lead to inconsistencies in network packet filtering. The vulnerable function is u32 replace hw knode.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

CVE-2023-53733
OESA-2025-2659
SUSE-SU-2025:21040-1
SUSE-SU-2025:21052-1
SUSE-SU-2025:21056-1
SUSE-SU-2025:21064-1
SUSE-SU-2025:4057-1
SUSE-SU-2025:4128-1
SUSE-SU-2025:4132-1
SUSE-SU-2025:4140-1
SUSE-SU-2025:4141-1
SUSE-SU-2025:4189-1
SUSE-SU-2025:4301-1

Affected Products

Debian
Linux Kernel
Suse