CVE-2023-53733

net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode

State: Published
Severity: 7.8 High
Published: Oct 24, 2025
Updated: Oct 30, 2026
Reserved: Oct 22, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before d83345a8c0143ea31822be0aeb91a63bfc58215eAffected d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before 3d5edcd3bca4aff15a18e45c79df1525059ab0e2Affected d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before a9345793469b65ee5ba7b033239916c2a67d3dd4Affected d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before 025159ed118ba5145b241d574edadb0e00d3c20fAffected d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before 9cb36faedeafb9720ac236aeae2ea57091d90a09Affected
LinuxLinux	4.7Affected before 4.7Not affected 5.10.273 through 5.10.Not affected 5.15.224 through 5.15.Not affected 6.1.42 through 6.1.Not affected 6.4.7 through 6.4.Not affected 6.5 and laterNot affected

Product

Versions

LinuxLinux

d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before d83345a8c0143ea31822be0aeb91a63bfc58215eAffected
d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before 3d5edcd3bca4aff15a18e45c79df1525059ab0e2Affected
d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before a9345793469b65ee5ba7b033239916c2a67d3dd4Affected
d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before 025159ed118ba5145b241d574edadb0e00d3c20fAffected
d34e3e181395192d6d1f50dd97bd7854e04e33a4 to before 9cb36faedeafb9720ac236aeae2ea57091d90a09Affected

LinuxLinux

4.7Affected
before 4.7Not affected
5.10.273 through 5.10.*Not affected
5.15.224 through 5.15.*Not affected
6.1.42 through 6.1.*Not affected
6.4.7 through 6.4.*Not affected
6.5 and laterNot affected

References

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