A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.
CVE-2023-42756
CVSS base score
4.4 (v3.1)
Severity
MEDIUM
Attack vector
Local
Weakness
CWE-362
Last modified
November 1, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected products
linux linux kernel
redhat enterprise linux
debian debian linux
fedoraproject fedora
References
- access.redhat.com
- access.redhat.com Patch, Third Party Advisory
- bugzilla.redhat.com Exploit, Issue Tracking, Patch
- seclists.org Exploit, Mailing List, Patch
- access.redhat.com
- access.redhat.com Patch, Third Party Advisory
- bugzilla.redhat.com Exploit, Issue Tracking, Patch
- lists.debian.org
- lists.fedoraproject.org
- lists.fedoraproject.org