Vulnerability in Linux

CVE-2023-53733

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 · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (3.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-53733: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions d34e3e181395192d6d1f50dd97bd7854e04e33a4, 4.7, 0

References

Frequently asked questions

What is CVE-2023-53733?
CVE-2023-53733 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-10-24.
How severe is CVE-2023-53733?
High severity. CVSS v3 base score is 7.8 out of 10.