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SUSE 15-SP2: 2021:1301-1 Important: Kernel Security Update Summary

suse
Calendar Grey April 21, 2021
Scroller Suse
A new update addresses 11 vulnerabilities in the Linux Kernel on SUSE, incorporating crucial security fixes and performance improvements.
An update that solves 11 vulnerabilities and has 12 fixes is now available

Summary

The SUSE Linux Enterprise 15 SP2 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed multiple bugs in NFC subsytem (bsc#1178181). - CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering destruction of a large SEV VM (bsc#1184511). - CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391). - CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120). - CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393). - CVE-2020-36310: Fixed infinite loop for certain nested page faults (bsc#1184512).

Topics%20covered

Topics Covered

security advisory denial of service security issue arbitrary code execution important SUSE Linux Kernel

References

#1047233 #1065729 #1113295 #1152489 #1154353

#1155518 #1156395 #1178181 #1181507 #1183405

#1184074 #1184120 #1184194 #1184211 #1184388

#1184391 #1184393 #1184509 #1184511 #1184512

#1184514 #1184583 #1184647

Cross- CVE-2020-25670 CVE-2020-25671 CVE-2020-25672

CVE-2020-25673 CVE-2020-36310 CVE-2020-36311

CVE-2020-36312 CVE-2021-28950 CVE-2021-29154

CVE-2021-30002 CVE-2021-3483

CVSS scores:

CVE-2020-25670 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25671 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25672 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25673 (SUSE): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

CVE-2020-36310 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:1301-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service security issue arbitrary code execution important SUSE Linux Kernel

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