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The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various
security and bugfixes.
The following security bugs were fixed:
- 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-2020-28915: 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 (bsc#1178589).
- CVE-2020-29371: Fixed uninitialized memory leaks to userspace
(bsc#1179429).
The following non-security bugs were fixed:
https://lists.suse.com/pipermail/sle-security-updates/2020-December/007943.html
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