SUSE-SU-2021:2057-1
SUSE-SU-2021:2057-1 · Security update for the Linux Kernel (Live Patch 24 for SLE 15)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This update for the Linux Kernel 4.12.14-150_72 fixes several issues. The following security 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). - CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611).
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-livepatch-sle15_update_24 SUSE:Linux Enterprise Live Patching 15
- Affected ranges
- ECOSYSTEM: < 2-2.1
Update to 2-2.1
Original sources
- https://www.suse.com/support/update/announcement/2021/suse-su-20212057-1/
- https://bugzilla.suse.com/1185899
- 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-2021-32399
- https://www.suse.com/security/cve/CVE-2021-33034
- https://www.suse.com/security/cve/CVE-2021-33200
- https://osv.dev/vulnerability/SUSE-SU-2021:2057-1