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SUSE: 2022:2254-1 Important Update for QEMU Heap Overflow and Memory Leak

suse
Calendar Grey July 4, 2022
Dist Suse Esm H88
SUSE has released a critical security update for qemu, addressing various significant vulnerabilities to enhance overall system reliability and efficiency.
An update that solves three vulnerabilities and has three fixes is now available

Summary

This update for qemu fixes the following issues: - CVE-2022-26354: Fixed missing virtqueue detach on error can lead to memory leak (bsc#1198712) - CVE-2021-4207: Fixed double fetch in qxl_cursor() can lead to heap buffer overflow (bsc#1198037) - CVE-2021-4206: Fixed integer overflow in cursor_alloc() can lead to heap buffer overflow (bsc#1198035) 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: - openSUSE Leap 15.3: zypper in -t patch openSUSE-SLE-15.3-2022-2254=1 - SUSE Linux Enterprise Module for Server Applications 15-SP3: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-2254=1

Topics%20covered

Topics Covered

security advisory heap overflow memory leak SUSE important update qemu patch instructions

References

#1197084 #1198035 #1198037 #1198712 #1199018

#1199924

Cross- CVE-2021-4206 CVE-2021-4207 CVE-2022-26354

CVSS scores:

CVE-2021-4206 (NVD) : 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVE-2021-4206 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CVE-2021-4207 (NVD) : 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVE-2021-4207 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CVE-2022-26354 (NVD) : 3.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

CVE-2022-26354 (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 Desktop 15-SP3

SUSE Linux Enterprise High Performance Computing 15-SP3

SUSE Linux Enterprise Micro 5.1

SUSE Linux Enterprise Micro 5.2

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:2254-1
Rating: important

Topics%20covered

Topics Covered

security advisory heap overflow memory leak SUSE important update qemu patch instructions

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