SUSE: 2022:2721-2 Critical: Kernel Vulnerability Resolution
suse
August 9, 2022
An update that fixes 14 vulnerabilities is now available
Summary
The SUSE Linux Enterprise 12 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-36946: Fixed an incorrect packet trucation operation which could lead to denial of service (bnc#1201940). - CVE-2022-20166: Fixed several possible memory safety issues due to unsafe operations (bsc#1200598). - CVE-2020-15393: Fixed a memory leak in the usbtest driver which could lead to denial of service (bnc#1173514). - CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc#1200910). - CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of TTYs could lead to a use-after-free (bnc#1201429).
Topics Covered
References
#1173514 #1196973 #1198829 #1200598 #1200762
#1200910 #1201251 #1201429 #1201635 #1201636
#1201742 #1201752 #1201930 #1201940
Cross- CVE-2020-15393 CVE-2020-36557 CVE-2020-36558
CVE-2021-33655 CVE-2021-33656 CVE-2021-39713
CVE-2022-1462 CVE-2022-20166 CVE-2022-2318
CVE-2022-26365 CVE-2022-33740 CVE-2022-33741
CVE-2022-33742 CVE-2022-36946
CVSS scores:
CVE-2020-15393 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2020-15393 (SUSE): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVE-2020-36557 (NVD) : 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2020-36557 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2020-36558 (NVD) : 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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Severity
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Critical
Announcement ID: SUSE-SU-2022:2721-1
Rating: important
Topics Covered
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