CVE-2023-42756

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.

• CWE-362
• CWE-362

• https://access.redhat.com/errata/RHSA-2024:2394
• https://access.redhat.com/security/cve/CVE-2023-42756Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2239848Exploit, Issue Tracking, Patch, Third Party Advisory
• https://seclists.org/oss-sec/2023/q3/242Exploit, Mailing List, Patch, Third Party Advisory
• https://access.redhat.com/errata/RHSA-2024:2394
• https://access.redhat.com/security/cve/CVE-2023-42756Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2239848Exploit, Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GISYSL3F6WIEVGHJGLC2MFNTUXHPTKQH/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GPMICQ2HVZO5UAM5KPXHAZKA2U3ZDOO6/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5PDNWPKAP3WL5RQZ4RIDS6MG32OHH5R/
• https://seclists.org/oss-sec/2023/q3/242Exploit, Mailing List, Patch, Third Party Advisory

Published

Sep 28, 2023

Last Modified

Jun 17, 2026

Status

Modified

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