SUSE Security Update: Security update for qemu
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Announcement ID:    SUSE-SU-2022:0210-2
Rating:             low
References:         #1172033 #1181361 
Cross-References:   CVE-2020-13253 CVE-2021-20196
CVSS scores:
                    CVE-2020-13253 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-13253 (SUSE): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
                    CVE-2021-20196 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
                    CVE-2021-20196 (SUSE): 3.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

Affected Products:
                    SUSE Linux Enterprise Realtime Extension 15-SP2
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   An update that fixes two vulnerabilities is now available.

Description:

   This update for qemu fixes the following issues:

   - CVE-2020-13253: Fixed an OOB access that could crash the guest resulting
     in DoS (bsc#1172033)
   - CVE-2021-20196: Fixed null pointer dereference that may lead to guest
     crash (bsc#1181361).


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 Realtime Extension 15-SP2:

      zypper in -t patch SUSE-SLE-Product-RT-15-SP2-2022-210=1



Package List:

   - SUSE Linux Enterprise Realtime Extension 15-SP2 (noarch):

      qemu-ipxe-1.0.0+-11.34.2
      qemu-microvm-4.2.1-11.34.2
      qemu-seabios-1.12.1+-11.34.2
      qemu-sgabios-8-11.34.2
      qemu-vgabios-1.12.1+-11.34.2

   - SUSE Linux Enterprise Realtime Extension 15-SP2 (x86_64):

      qemu-4.2.1-11.34.2
      qemu-audio-alsa-4.2.1-11.34.2
      qemu-audio-alsa-debuginfo-4.2.1-11.34.2
      qemu-audio-pa-4.2.1-11.34.2
      qemu-audio-pa-debuginfo-4.2.1-11.34.2
      qemu-block-curl-4.2.1-11.34.2
      qemu-block-curl-debuginfo-4.2.1-11.34.2
      qemu-block-iscsi-4.2.1-11.34.2
      qemu-block-iscsi-debuginfo-4.2.1-11.34.2
      qemu-block-rbd-4.2.1-11.34.2
      qemu-block-rbd-debuginfo-4.2.1-11.34.2
      qemu-block-ssh-4.2.1-11.34.2
      qemu-block-ssh-debuginfo-4.2.1-11.34.2
      qemu-debuginfo-4.2.1-11.34.2
      qemu-debugsource-4.2.1-11.34.2
      qemu-guest-agent-4.2.1-11.34.2
      qemu-guest-agent-debuginfo-4.2.1-11.34.2
      qemu-kvm-4.2.1-11.34.2
      qemu-lang-4.2.1-11.34.2
      qemu-tools-4.2.1-11.34.2
      qemu-tools-debuginfo-4.2.1-11.34.2
      qemu-ui-curses-4.2.1-11.34.2
      qemu-ui-curses-debuginfo-4.2.1-11.34.2
      qemu-ui-gtk-4.2.1-11.34.2
      qemu-ui-gtk-debuginfo-4.2.1-11.34.2
      qemu-ui-spice-app-4.2.1-11.34.2
      qemu-ui-spice-app-debuginfo-4.2.1-11.34.2
      qemu-x86-4.2.1-11.34.2
      qemu-x86-debuginfo-4.2.1-11.34.2


References:

   https://www.suse.com/security/cve/CVE-2020-13253.html
   https://www.suse.com/security/cve/CVE-2021-20196.html
   https://bugzilla.suse.com/1172033
   https://bugzilla.suse.com/1181361