CVE-2022-1016

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-08-29 · updated 2026-06-17
Weakness: CWE-824

Description

A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a use-after-free. This issue needs to handle 'return' with proper preconditions, as it can lead to a kernel information leak problem caused by a local, unprivileged attacker.

Affected products

Linux kernel: through 3.12; from 3.13 through 5.17; 3.13-rc1
Red Hat Enterprise Linux: 8.0, 9.0

References

http://blog.dbouman.nl/2022/04/02/How-The-Tables-Have-Turned-CVE-2022-1015-1016/
https://access.redhat.com/security/cve/CVE-2022-1016
https://bugzilla.redhat.com/show_bug.cgi?id=2066614
https://seclists.org/oss-sec/2022/q1/205
http://blog.dbouman.nl/2022/04/02/How-The-Tables-Have-Turned-CVE-2022-1015-1016/
https://access.redhat.com/security/cve/CVE-2022-1016
https://bugzilla.redhat.com/show_bug.cgi?id=2066614
https://seclists.org/oss-sec/2022/q1/205

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