SUSE-SU-2022:2237-1: important: Security update for the Linux Kernel (Live Patch 27 for SLE 15 SP2)

[sle-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 27 for SLE 15 SP2)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:2237-1
Rating:             important
References:         #1196959 #1199648 
Cross-References:   CVE-2021-39698 CVE-2022-1116
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-2022-1116 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-1116 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise High Performance Computing 15-SP2
                    SUSE Linux Enterprise Module for Live Patching 15-SP2
                    SUSE Linux Enterprise Server 15-SP2
                    SUSE Linux Enterprise Server for SAP Applications 15-SP2
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   An update that fixes two vulnerabilities is now available.

Description:

   This update for the Linux Kernel 5.3.18-150200_24_115 fixes several issues.

   The following security issues were fixed:

   - CVE-2022-1116: Fixed an integer overflow vulnerability in io_uring that
     allows local attacker to cause memory corruption and escalate privileges
     to root. (bsc#1199647) versions.
   - CVE-2021-39698: Fixed a possible memory corruption due to a use after
     free in aio_poll_complete_work. This could lead to local escalation of
     privilege with no additional execution privileges needed. (bsc#1196956)


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-SP2:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-2237=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):

      kernel-livepatch-5_3_18-150200_24_115-default-2-150200.2.2
      kernel-livepatch-5_3_18-150200_24_115-default-debuginfo-2-150200.2.2
      kernel-livepatch-SLE15-SP2_Update_27-debugsource-2-150200.2.2


References:

   https://www.suse.com/security/cve/CVE-2021-39698.html
   https://www.suse.com/security/cve/CVE-2022-1116.html
   https://bugzilla.suse.com/1196959
   https://bugzilla.suse.com/1199648