Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP5)
This update for the Linux Kernel 5.14.21-150500_55_19 fixes several issues. The following security issues were fixed: - CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network scheduler which could be exploited to achieve local privilege escalation (bsc#1215300). - CVE-2023-39198: Fixed a race condition leading to a use-after-free in qxl_mode_dumb_create() (bsc#1217116). - CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218733).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the Linux Kernel 5.14.21-150500_55_19 fixes several issues. The following security issues were fixed: - CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network scheduler which could be exploited to achieve local privilege escalation (bsc#1215300). - CVE-2023-39198: Fixed a race condition leading to a use-after-free in qxl_mode_dumb_create() (bsc#1217116). - CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218733).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1215300
- https://bugzilla.suse.com/1217116
- https://bugzilla.suse.com/1218733
- https://www.suse.com/security/cve/CVE-2023-39198
- https://www.suse.com/security/cve/CVE-2023-4921
- https://www.suse.com/security/cve/CVE-2023-51780
- https://www.suse.com/support/update/announcement/2024/suse-su-20240698-1/