Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP5)
This update for the Linux Kernel 5.14.21-150500_55_12 fixes several issues. The following security issues were fixed: - CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118). - CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440). - CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the Linux Kernel 5.14.21-150500_55_12 fixes several issues. The following security issues were fixed: - CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118). - CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440). - CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1214812
- https://bugzilla.suse.com/1215118
- https://bugzilla.suse.com/1215440
- https://www.suse.com/security/cve/CVE-2023-4004
- https://www.suse.com/security/cve/CVE-2023-4147
- https://www.suse.com/security/cve/CVE-2023-4623
- https://www.suse.com/support/update/announcement/2023/suse-su-20234322-1/