PoC Index

CVE-2023-4147

HIGH 7.8EPSS 0.6%

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.56% chance of exploitation in the next 30 days, 45th percentile
Published
2023-08-07
Updated
2026-02-25

Proof-of-concept exploits (1)

References

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