VYPR
High severity7.8NVD Advisory· Published Jun 28, 2023· Updated Jul 22, 2026

CVE-2023-3390

CVE-2023-3390

Description

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c.

Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local attacker with user access to cause a privilege escalation issue.

We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97

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Affected products

261

Patches

Vulnerability mechanics

References

11

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