medium4.4
CVE-2023-42756
A flaw was found in the Netfilter subsystem of the Linux kernel.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 6.6 Version 6.6 |
| Redhat | Enterprise Linux | Version 9.0 |
| Debian | Debian Linux | Version 10.0 |
| Fedoraproject | Fedora | Versions 37, 38, 39 |
| Red Hat | Red Hat Enterprise Linux 9 | Version patch: 0:5.14.0-427.13.1.el9_4 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://access.redhat.com/errata/RHSA-2024:2394
- https://access.redhat.com/security/cve/CVE-2023-42756
- https://bugzilla.redhat.com/show_bug.cgi?id=2239848
- https://seclists.org/oss-sec/2023/q3/242
- 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/