Bug 2406197 (CVE-2023-53733) - CVE-2023-53733 kernel: net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode
Summary: CVE-2023-53733 kernel: net: sched: cls_u32: Undo tcf_bind_filter if u32_repla...
Keywords:
Status: NEW
Alias: CVE-2023-53733
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-24 12:01 UTC by OSIDB Bzimport
Modified: 2025-10-24 16:32 UTC (History)
0 users

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Description OSIDB Bzimport 2025-10-24 12:01:31 UTC 
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.
Comment 1 Jon Moroney 2025-10-24 16:30:17 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025102432-CVE-2023-53733-8b6c@gregkh/T
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