SUSE-SU-2021:0868-1
SUSE-SU-2021:0868-1 · Security update for the Linux Kernel (Live Patch 18 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_52 fixes several issues. The following security issues were fixed: - CVE-2020-29368: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check (bsc#1179664). - CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault handling, allowing local users to execute code in the kernel (bsc#1181553). - CVE-2020-27786: Fixed a potential user after free which could have led to memory corruption or privilege escalation (bsc#1179616). - CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI target code which could have been used by remote attackers to read or write files via directory traversal in an XCOPY request (bsc#1178684).
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kgraft-patch-sle12-sp4_update_17 SUSE:Linux Enterprise Live Patching 12 SP4
- Affected ranges
- ECOSYSTEM: < 3-2.2
Update to 3-2.2
kernel-livepatch-sle15_update_21 SUSE:Linux Enterprise Live Patching 15
- Affected ranges
- ECOSYSTEM: < 4-2.2
Update to 4-2.2
kernel-livepatch-sle15_update_20 SUSE:Linux Enterprise Live Patching 15
- Affected ranges
- ECOSYSTEM: < 6-2.2
Update to 6-2.2
kernel-livepatch-sle15_update_19 SUSE:Linux Enterprise Live Patching 15
- Affected ranges
- ECOSYSTEM: < 7-2.2
Update to 7-2.2
kernel-livepatch-sle15_update_18 SUSE:Linux Enterprise Live Patching 15
- Affected ranges
- ECOSYSTEM: < 7-2.2
Update to 7-2.2
Original sources
- https://www.suse.com/support/update/announcement/2021/suse-su-20210868-1/
- https://bugzilla.suse.com/1178684
- https://bugzilla.suse.com/1179616
- https://bugzilla.suse.com/1179664
- https://bugzilla.suse.com/1181553
- https://www.suse.com/security/cve/CVE-2020-27786
- https://www.suse.com/security/cve/CVE-2020-28374
- https://www.suse.com/security/cve/CVE-2020-29368
- https://www.suse.com/security/cve/CVE-2021-3347
- https://osv.dev/vulnerability/SUSE-SU-2021:0868-1