The SUSE Linux Enterprise 12 SP3 LTSS kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
Unprivileged BPF has been disabled by default to reduce attack surface as too many security issues have happened in the past (jsc#SLE-22573)
You can reenable via systemctl setting /proc/sys/kernel/unprivilegedbpfdisabled to 0. (kernel.unprivilegedbpfdisabled = 0)
CVE-2021-31916: An out-of-bounds (OOB) memory write flaw was found in listdevices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel A bound check failure allowed an attacker with special user (CAPSYS_ADMIN) privilege to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability (bnc#1192781).
The following non-security bugs were fixed:
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