SUSE-SU-2021:2027-1
SUSE-SU-2021:2027-1 · Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This update for the Linux Kernel 5.3.18-24_64 fixes several issues. The following issues were fixed: - CVE-2021-33200: Enforcing incorrect limits for pointer arithmetic operations by the BPF verifier could be abused to perform out-of-bounds reads and writes in kernel memory (bsc#1186484). - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060). - Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-livepatch-sle15-sp2_update_13 SUSE:Linux Enterprise Live Patching 15 SP2
- Affected ranges
- ECOSYSTEM: < 2-2.1
Update to 2-2.1
Original sources
- https://www.suse.com/support/update/announcement/2021/suse-su-20212027-1/
- https://bugzilla.suse.com/1185847
- https://bugzilla.suse.com/1186061
- https://bugzilla.suse.com/1186285
- https://bugzilla.suse.com/1186498
- https://www.suse.com/security/cve/CVE-2021-23134
- https://www.suse.com/security/cve/CVE-2021-33034
- https://www.suse.com/security/cve/CVE-2021-33200
- https://osv.dev/vulnerability/SUSE-SU-2021:2027-1