PoC Index85,092 CVEs with PoCs

CVE-2023-4004

Kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove()

HIGH 7.8EPSS 0.9%

A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.

Affected
Red Hat · Red Hat Enterprise Linux 8 · Red Hat Enterprise Linux 8.2 Advanced Update Support · Red Hat Enterprise Linux 8.2 Telecommunications Update Service · Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Red Hat Enterprise Linux 8.4 Telecommunications Update Service
CVSS v3.1 NVD
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.92% chance of exploitation in the next 30 days, 60th percentile
Published
2023-07-31
Updated
2026-10-14

Proof-of-concept exploits (1)

Exploit collections (1)

Security advisories

References

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