CVE-2023-54035 - CVE House
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Status published Unknown CVE-2023-54035

netfilter: nf_tables: fix underflow in chain reference counter

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix underflow in chain reference counter Set element addition error path decrements reference counter on chains twice: once on element release and again via nft_data_release(). Then, d6b478666ffa ("netfilter: nf_tables: fix underflow in object reference counter") incorrectly fixed this by removing the stateful object reference count decrement. Restore the stateful object decrement as in b91d90368837 ("netfilter: nf_tables: fix leaking object reference count") and let nft_data_release() decrement the chain reference counter, so this is done only once.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
35651fde1a7bb54dde0a46d35cd0d7136869ae86, 628bd3e49cba1c066228e23d71a852c23e26da73, bc9f791d2593f17e39f87c6e2b3a36549a3705b1, 3c7ec098e3b588434a8b07ea9b5b36f04cef1f50, a136b7942ad2a50de708f76ea299ccb45ac7a7f9, 25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8, d60be2da67d172aecf866302c91ea11533eca4d9, dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41, 4.19.316, 5.4.262, 5.10.188, 5.15.121, 6.3.10, 6.4, 0, 6.4.4, 6.5

Timeline

Official Publish: December 24th, 2025
Last Modified: May 27th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.