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Alerts This Week
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Alerts This Week
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SUSE: 2021:3386-1 Important: Linux Kernel Critical Flaws Addressed

suse
Calendar Grey October 12, 2021
Scroller Suse
This Fedora upgrade fixes significant vulnerabilities in the core system, improving overall performance and safeguarding user data.
An update that solves 5 vulnerabilities and has 33 fixes is now available

Summary

The SUSE Linux Enterprise 12 SP56 kernel was updated. The following security bugs were fixed: - CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bnc#1191193) - CVE-2021-3752: Fixed a use after free vulnerability in the Linux kernel's bluetooth module. (bsc#1190023) - CVE-2021-40490: Fixed a race condition discovered in the ext4 subsystem that could leat to local priviledge escalation. (bnc#1190159) - CVE-2021-3744: Fixed a bug which could allows attackers to cause a denial of service. (bsc#1189884) - CVE-2021-3764: Fixed a bug which could allows attackers to cause a denial of service. (bsc#1190534)

Topics%20covered

Topics Covered

security advisory security fix vulnerability important system stability SUSE linux kernel

References

#1050244 #1056653 #1056657 #1056787 #1065729

#1104745 #1109837 #1111981 #1114648 #1118661

#1129770 #1148868 #1158533 #1173746 #1176940

#1181193 #1184439 #1185677 #1185727 #1186785

#1189297 #1189407 #1189884 #1190023 #1190115

#1190159 #1190523 #1190534 #1190543 #1190576

#1190601 #1190620 #1190626 #1190717 #1190914

#1191051 #1191136 #1191193

Cross- CVE-2020-3702 CVE-2021-3744 CVE-2021-3752

CVE-2021-3764 CVE-2021-40490

CVSS scores:

CVE-2020-3702 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2020-3702 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2021-3744 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2021-3752 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:3386-1
Rating: important

Topics%20covered

Topics Covered

security advisory security fix vulnerability important system stability SUSE linux kernel

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