The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes.
The following security bugs 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#1218447).
- CVE-2023-6610: Fixed an out of bounds read in the SMB client when printing debug information (bsc#1217946).
- CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218559).
- CVE-2020-26555: Fixed an issue during BR/EDR PIN code pairing in the Bluetooth subsystem that would allow replay attacks (bsc#1179610 bsc#1215237).
- CVE-2023-6606: Fixed an out of bounds read in the SMB client when receiving a malformed length from a server (bsc#1217947).
- CVE-2023-6546: Fixed a race condition in the GSM 0710 tty multiplexor via the GSMIOC_SETCONF ioctl that could lead to local privilege escalation (bsc#1218335).
- CVE-2023-6931: Fixed an out of bounds write in the Performance Events subsystem when adding a new event (bsc#1218258).
- CVE-2023-6932: Fixed a use-after-free issue when receiving an IGMP query packet due to reference count mismanagement (bsc#1218253).
- CVE-2023-6622: Fixed a null pointer dereference vulnerability in nft_dynset_init() that could allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service (bsc#1217938).
- CVE-2023-6121: Fixed an information leak via dmesg when receiving a crafted packet in the NVMe-oF/TCP subsystem (bsc#1217250).
The following non-security bugs were fixed:
- Reviewed and added more information to README.SUSE (jsc#PED-5021).
- Enabled multibuild for kernel packages (JSC-SLE#5501, boo#1211226, bsc#1218184).
- Drop drm/bridge lt9611uxc patches that have been reverted on stable trees
- KVM: s390/mm: Properly reset no-dat (bsc#1218056).
- KVM: s390: vsie: fix wrong VIR 37 when MSO is used (bsc#1217933).
- KVM: x86: Mask...