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SUSE MicroOS 5.0: 2021:3604-1 Important: QEMU Out-of-Bounds and Heap Issues

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Calendar Grey November 3, 2021
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Fedora issued a vital patch for libvirt tackling severe vulnerabilities. This update is essential for Fedora Linux users.
An update that solves two vulnerabilities and has two fixes is now available

Summary

This update for qemu fixes the following issues: Security issues fixed: - CVE-2021-3713: Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702) - CVE-2021-3748: Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938) Non-security issues fixed: - Add transfer length item in block limits page of scsi vpd (bsc#1190425) - Fix qemu crash while deleting xen-block (bsc#1189234) 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 MicroOS 5.0: zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-3604=1 - SUSE Linux Enterprise Module for Server Applications 15-SP2:

Topics%20covered

Topics Covered

security advisory important out-of-bounds heap issue qemu SUSE Linux Enterprise SUSE MicroOS

References

#1189234 #1189702 #1189938 #1190425

Cross- CVE-2021-3713 CVE-2021-3748

CVSS scores:

CVE-2021-3713 (SUSE): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CVE-2021-3748 (SUSE): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE MicroOS 5.0

SUSE Linux Enterprise Module for Server Applications 15-SP2

SUSE Linux Enterprise Module for Basesystem 15-SP2

https://www.suse.com/security/cve/CVE-2021-3713.html

https://www.suse.com/security/cve/CVE-2021-3748.html

https://bugzilla.suse.com/1189234

https://bugzilla.suse.com/1189702

https://bugzilla.suse.com/1189938

https://bugzilla.suse.com/1190425

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:3604-1
Rating: important

Topics%20covered

Topics Covered

security advisory important out-of-bounds heap issue qemu SUSE Linux Enterprise SUSE MicroOS

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