SUSE: 2022:3415-1 important: the Linux Kernel (Live Patch 23 for SLE 15 SP3)
Summary
This update for the Linux Kernel 5.3.18-150300_59_90 fixes several issues. The following security issues were fixed: - CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116). - CVE-2021-39698: Fixed a memory corruption due to a use after free that could lead to local escalation of privilege with no additional execution privileges needed (bsc#1196959). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Module for Live Patching 15-SP3: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-3415=1 Package List: - SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64): kernel-livepatch-5_3_18-150300_59_90-default-3-150300.2.2
References
#1196959 #1203116
Cross- CVE-2021-39698 CVE-2022-39188
CVSS scores:
CVE-2021-39698 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-39698 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2022-39188 (NVD) : 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2022-39188 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
SUSE Linux Enterprise High Performance Computing 15-SP3
SUSE Linux Enterprise Micro 5.1
SUSE Linux Enterprise Module for Live Patching 15-SP3
SUSE Linux Enterprise Server 15-SP3
SUSE Linux Enterprise Server for SAP Applications 15-SP3
https://www.suse.com/security/cve/CVE-2021-39698.html
https://www.suse.com/security/cve/CVE-2022-39188.html
https://bugzilla.suse.com/1196959
https://bugzilla.suse.com/1203116