SUSE-SU-2021:1344-1
SUSE-SU-2021:1344-1 · Security update for the Linux Kernel (Live Patch 20 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_58 fixes several issues. The following security issues were fixed: - CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0 leading to out of bounds read (bsc#1184171). - CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646). - CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1182294). - CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kgraft-patch-sle12-sp4_update_13 SUSE:Linux Enterprise Live Patching 12 SP4
- Affected ranges
- ECOSYSTEM: < 11-2.2
Update to 11-2.2
kgraft-patch-sle12-sp4_update_15 SUSE:Linux Enterprise Live Patching 12 SP4
- Affected ranges
- ECOSYSTEM: < 9-2.2
Update to 9-2.2
kgraft-patch-sle12-sp4_update_16 SUSE:Linux Enterprise Live Patching 12 SP4
- Affected ranges
- ECOSYSTEM: < 8-2.2
Update to 8-2.2
kgraft-patch-sle12-sp4_update_17 SUSE:Linux Enterprise Live Patching 12 SP4
- Affected ranges
- ECOSYSTEM: < 5-2.2
Update to 5-2.2
kgraft-patch-sle12-sp4_update_18 SUSE:Linux Enterprise Live Patching 12 SP4
- Affected ranges
- ECOSYSTEM: < 4-2.2
Update to 4-2.2
kgraft-patch-sle12-sp4_update_14 SUSE:Linux Enterprise Live Patching 12 SP4
- Affected ranges
- ECOSYSTEM: < 9-2.2
Update to 9-2.2
kernel-livepatch-sle15_update_18 SUSE:Linux Enterprise Live Patching 15
- Affected ranges
- ECOSYSTEM: < 9-2.2
Update to 9-2.2
kernel-livepatch-sle15_update_19 SUSE:Linux Enterprise Live Patching 15
- Affected ranges
- ECOSYSTEM: < 9-2.2
Update to 9-2.2
kernel-livepatch-sle15_update_21 SUSE:Linux Enterprise Live Patching 15
- Affected ranges
- ECOSYSTEM: < 6-2.2
Update to 6-2.2
kernel-livepatch-sle15_update_22 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: < 8-2.2
Update to 8-2.2
Original sources
- https://www.suse.com/support/update/announcement/2021/suse-su-20211344-1/
- https://bugzilla.suse.com/1182294
- https://bugzilla.suse.com/1184171
- https://www.suse.com/security/cve/CVE-2021-26930
- https://www.suse.com/security/cve/CVE-2021-26931
- https://www.suse.com/security/cve/CVE-2021-28688
- https://www.suse.com/security/cve/CVE-2021-3444
- https://osv.dev/vulnerability/SUSE-SU-2021:1344-1