SUSE-SU-2021:0841-1
SUSE-SU-2021:0841-1 · Security update for the Linux Kernel (Live Patch 8 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_43 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-2020-28374: 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
kernel-livepatch-sle15-sp2_update_8 SUSE:Linux Enterprise Live Patching 15 SP2
- Affected ranges
- ECOSYSTEM: < 3-2.2
Update to 3-2.2
Original sources
- https://www.suse.com/support/update/announcement/2021/suse-su-20210841-1/
- https://bugzilla.suse.com/1178684
- https://bugzilla.suse.com/1179664
- https://bugzilla.suse.com/1181553
- 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-2021:0841-1