SUSE-SU-2021:2026-1
SUSE-SU-2021:2026-1 · Security update for the Linux Kernel (Live Patch 39 for SLE 12 SP3)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This update for the Linux Kernel 4.4.180-94_144 fixes several issues. The following issues were fixed: - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-28688: Fixed an issue introduced by XSA-365, leaving around zombie domains after xen guest has died (bsc#1183646). - CVE-2020-0429: In l2tp_session_delete and related functions of l2tp_core.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with system execution privileges needed. (bsc#1176724). - Fixed a regression with the last livepatch which caused a kernel warning during sysfs read (bsc#1186235).
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kgraft-patch-sle12-sp3_update_39 SUSE:Linux Enterprise Server for SAP Applications 12 SP3
- Affected ranges
- ECOSYSTEM: < 2-2.1
Update to 2-2.1
kgraft-patch-sle12-sp3_update_39 SUSE:Linux Enterprise Server 12 SP3-LTSS
- Affected ranges
- ECOSYSTEM: < 2-2.1
Update to 2-2.1
Original sources
- https://www.suse.com/support/update/announcement/2021/suse-su-20212026-1/
- https://bugzilla.suse.com/1176931
- https://bugzilla.suse.com/1182294
- https://bugzilla.suse.com/1186235
- https://bugzilla.suse.com/1186285
- https://www.suse.com/security/cve/CVE-2020-0429
- https://www.suse.com/security/cve/CVE-2021-28688
- https://www.suse.com/security/cve/CVE-2021-33034
- https://osv.dev/vulnerability/SUSE-SU-2021:2026-1