Security update for the Linux Kernel (Live Patch 29 for SLE 15 SP2)

Announcement ID: SUSE-SU-2022:3088-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-36516 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
  • CVE-2020-36516 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
  • 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
  • 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
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Live Patching 15-SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2

An update that solves two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.3.18-150200_24_126 fixes several issues.

The following security issues were fixed: - CVE-2020-36516: Fixed an off-path attack via mixed IPID assignment method with the hash-based IPID assignment policy to inject data into a victim's TCP session or terminate that session (bsc#1196867). - CVE-2022-1116: Fixed integer overflow or wraparound vulnerability in io_uring, where a local attacker could have caused memory corruption and escalate privileges to root (bsc#1199648).

Patch Instructions:

To install this SUSE 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 Live Patching 15-SP2
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-3088=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    • kernel-livepatch-5_3_18-150200_24_126-default-2-150200.2.1
    • kernel-livepatch-5_3_18-150200_24_126-default-debuginfo-2-150200.2.1
    • kernel-livepatch-SLE15-SP2_Update_29-debugsource-2-150200.2.1

References: