CVE-2023-53733 | net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode

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.

Published: 2025-10-24 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2023-53733 is rated Low Risk (2.8/100): low exploitation likelihood (EPSS 0.02%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-53733

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-10-24 0.02%

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-53733

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2023-53733

OS Trackers for CVE-2023-53733

vendor priority summary link
debian not yet assigned CVE-2023-53733 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. https://security-tracker.debian.org/tracker/CVE-2023-53733
redhat medium https://access.redhat.com/security/cve/CVE-2023-53733
suse low CVE-2023-53733 severity low: SUSE including 399 source package names (2.1.3-6.88:kernel-default-base-6.4.0-36.1.21.13, 2.1.3-7.105:kernel-rt-6.4.0-38.1, …), 758 product×package rows across 167 product lines (Container suse/sl-micro/6.0/base-os-container, Container suse/sl-micro/6.0/kvm-os-container, … (167 product lines)): Fixed 512, Known Affected 231, Known Not Affected 15. https://www.suse.com/security/cve/CVE-2023-53733/
ubuntu medium CVE-2023-53733 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1405 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1010, ignored 160, released 85, not-affected 80, needed 70. https://ubuntu.com/security/CVE-2023-53733

Affected software / configurations for CVE-2023-53733

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2023-53733

cvelogic Threat Intelligence