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.
Affected versions
Linux kernel versions
4.7
and later are affected. Fixed in
6.1.42,
6.4.7,
6.5
and their respective stable series.
References
The following references provide additional information about CVE-2023-53733 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/025159ed118ba5145b241d574edadb0e00d3c20f
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PatchKernel patch commithttps://git.kernel.org/stable/c/9cb36faedeafb9720ac236aeae2ea57091d90a09
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PatchKernel patch commithttps://git.kernel.org/stable/c/a9345793469b65ee5ba7b033239916c2a67d3dd4
Frequently asked questions
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What is CVE-2023-53733?
CVE-2023-53733 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.7 onward and has been patched in 6.1.42, 6.4.7 and 6.5. CVE-2023-53733 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2023-53733?
Yes — CVE-2023-53733 has been patched. Fixed versions include 6.1.42, 6.4.7 and 6.5. If you are running Linux kernel 4.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-53733 actively exploited?
No — CVE-2023-53733 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.