Description of the patch:
The SUSE Linux Enterprise 15-SP1 RT kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2018-20669: Fixed an improper check i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c (bsc#1122971).
- CVE-2019-20934: Fixed a use-after-free in show_numa_stats() because NUMA fault statistics were inappropriately freed, aka CID-16d51a590a8c (bsc#1179663).
- CVE-2020-15436: Fixed a use after free vulnerability in fs/block_dev.c which could have allowed local users to gain privileges or cause a denial of service (bsc#1179141).
- CVE-2020-15437: Fixed a null pointer dereference which could have allowed local users to cause a denial of service(bsc#1179140).
- CVE-2020-25669: Fixed a use-after-free read in sunkbd_reinit() (bsc#1178182).
- CVE-2020-27777: Restrict RTAS requests from userspace (bsc#1179107)
- CVE-2020-27786: Fixed a use after free in kernel midi subsystem snd_rawmidi_kernel_read1() (bsc#1179601).
- CVE-2020-28915: Fixed a buffer over-read in the fbcon code which could have been used by local attackers to read kernel memory (bsc#1178886).
- CVE-2020-28974: Fixed a slab-out-of-bounds read in fbcon which could have been used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095 (bsc#1178589).
- CVE-2020-29371: Fixed uninitialized memory leaks to userspace (bsc#1179429).
- CVE-2020-4788: Fixed an issue with IBM Power9 processors could have allowed a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances (bsc#1177666).
The following non-security bugs were fixed:
- ACPI: GED: fix -Wformat (git-fixes).
- ALSA: ctl: fix error path at adding user-defined element set (git-fixes).
- ALSA: firewire: Clean up a locking issue in copy_resp_to_buf() (git-fixes).
- ALSA: hda/realtek: Add mute LED quirk to yet another HP x360 model (git-fixes).
- ALSA: hda/realtek - Add new...