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CVE-2023-53733

net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode

HIGH
7.8
CVSS Score
Published: October 24, 2025 at 11:44 AM UTC
Updated: October 28, 2026 at 07:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode When u32_replace_hw_knode fails, we need to undo the tcf_bind_filter operation done at u32_set_parms.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
4.7d34e3e181395192d6d1f50dd97bd7854e04e33a4
Vendor states this is fixed in 025159ed118ba5145b241d574edadb0e00d3c20f (fixed)
Vendor states this is fixed in 9cb36faedeafb9720ac236aeae2ea57091d90a09 (fixed)
Vendor states this is fixed in a9345793469b65ee5ba7b033239916c2a67d3dd4 (fixed)
Vendor states this is fixed in 4.7 (unaffected)
Vendor states this is fixed in 6.1.42 (unaffected)
Vendor states this is fixed in 6.4.7 (unaffected)
Vendor states this is fixed in 6.5 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://git.kernel.org/stable/c/a9345793469b65ee5ba7b033239916c2a67d3dd4
Source: cverecord
https://git.kernel.org/stable/c/025159ed118ba5145b241d574edadb0e00d3c20f
Source: cverecord
https://git.kernel.org/stable/c/9cb36faedeafb9720ac236aeae2ea57091d90a09

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusDEFERRED

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