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SUSE 2022:2260-1 Important: QEMU Memory Leak And Buffer Overflow Risk

suse
Calendar Grey July 4, 2022
Dist Suse Esm H88
Essential fixes for qemu tackling memory vulnerabilities and overflow risks in SUSE Linux Enterprise platforms.
An update that solves four vulnerabilities and has 5 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-2022-26353: Fixed map leaking on error during receive (bsc#1198711) - 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 15.4: zypper in -t patch openSUSE-SLE-15.4-2022-2260=1 - SUSE Linux Enterprise Module for Server Applications 15-SP4:

Topics%20covered

Topics Covered

security advisory buffer overflow critical fix memory leak SUSE important update qemu

References

#1197084 #1198035 #1198037 #1198711 #1198712

#1199015 #1199018 #1199625 #1199924

Cross- CVE-2021-4206 CVE-2021-4207 CVE-2022-26353

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-2022-26353 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2022-26353 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:2260-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow critical fix memory leak SUSE important update qemu

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