Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)
This update for the Linux Kernel 5.14.21-150500_11 fixes several issues. The following security issues were fixed: - CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218487). - CVE-2023-46813: Fixed a local privilege escalation with user-space programs that have access to MMIO regions (bsc#1216898). - CVE-2023-39191: Fixed a lack of validation of dynamic pointers within user-supplied eBPF programs that may have allowed an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code. (bsc#1215863) - CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218610). - CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the Linux Kernel 5.14.21-150500_11 fixes several issues. The following security issues were fixed: - CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218487). - CVE-2023-46813: Fixed a local privilege escalation with user-space programs that have access to MMIO regions (bsc#1216898). - CVE-2023-39191: Fixed a lack of validation of dynamic pointers within user-supplied eBPF programs that may have allowed an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code. (bsc#1215863) - CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218610). - CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1208911
- https://bugzilla.suse.com/1215887
- https://bugzilla.suse.com/1216898
- https://bugzilla.suse.com/1218487
- https://bugzilla.suse.com/1218610
- https://www.suse.com/security/cve/CVE-2023-0461
- https://www.suse.com/security/cve/CVE-2023-39191
- https://www.suse.com/security/cve/CVE-2023-46813
- https://www.suse.com/security/cve/CVE-2023-51779
- https://www.suse.com/security/cve/CVE-2023-6531
- https://www.suse.com/support/update/announcement/2024/suse-su-20241097-1/