What’s Vulnerable › Vulnerabilities

CVE-2023-52620: netfilter: nf_tables: disallow timeout for anonymous sets

• Severity: low (CVSS 2.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-21 · updated 2026-10-15

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow timeout for anonymous sets Never used from userspace, disallow these parameters.

Affected products

• Linux kernel: before 4.19.312; from 4.20 before 5.4.274; from 5.5 before 5.10.215; from 5.11 before 5.15.151; from 5.16 before 6.1.81; from 6.2 before 6.4 — fixed in 4.19.312, 5.10.215, 5.15.151, 5.4.274, 6.1.81, 6.4

How to fix

Upgrade to a fixed version: Linux kernel 4.19.312, 5.10.215, 5.15.151, 5.4.274. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/00b19ee0dcc1aef06294471ab489bae26d94524e
• https://git.kernel.org/stable/c/116b0e8e4673a5faa8a739a19b467010c4d3058c
• https://git.kernel.org/stable/c/49ce99ae43314d887153e07cec8bb6a647a19268
• https://git.kernel.org/stable/c/6f3ae02bbb62f151b19162d5fdc9fe3d48450323
• https://git.kernel.org/stable/c/b7be6c737a179a76901c872f6b4c1d00552d9a1b
• https://git.kernel.org/stable/c/e26d3009efda338f19016df4175f354a9bd0a4ab
• https://git.kernel.org/stable/c/00b19ee0dcc1aef06294471ab489bae26d94524e
• https://git.kernel.org/stable/c/116b0e8e4673a5faa8a739a19b467010c4d3058c
• https://git.kernel.org/stable/c/49ce99ae43314d887153e07cec8bb6a647a19268
• https://git.kernel.org/stable/c/6f3ae02bbb62f151b19162d5fdc9fe3d48450323
• https://git.kernel.org/stable/c/b7be6c737a179a76901c872f6b4c1d00552d9a1b
• https://git.kernel.org/stable/c/e26d3009efda338f19016df4175f354a9bd0a4ab

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