SUSE: 2022:2741-1 Important Kernel Denial Of Service and Escalation Fixes
suse
August 10, 2022
An update that solves 16 vulnerabilities, contains one feature and has 15 fixes is now available
Summary
The SUSE Linux Enterprise 15 SP3 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-2022-29581: Fixed improper update of reference count in net/sched that could cause root privilege escalation (bnc#1199665). - CVE-2022-20166: Fixed several possible memory safety issues due to unsafe operations (bsc#1200598). - 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 that could lead to a use-after-free (bnc#1201429).
Topics Covered
References
#1178134 #1198829 #1199364 #1199647 #1199665
#1199670 #1200521 #1200598 #1200644 #1200651
#1200762 #1200910 #1201196 #1201206 #1201251
#1201381 #1201429 #1201458 #1201635 #1201636
#1201644 #1201664 #1201672 #1201673 #1201676
#1201846 #1201930 #1201940 #1201954 #1201956
#1201958 SLE-24559
Cross- CVE-2020-36557 CVE-2020-36558 CVE-2021-33655
CVE-2021-33656 CVE-2022-1116 CVE-2022-1462
CVE-2022-20166 CVE-2022-21505 CVE-2022-2318
CVE-2022-26365 CVE-2022-29581 CVE-2022-32250
CVE-2022-33740 CVE-2022-33741 CVE-2022-33742
CVE-2022-36946
CVSS scores:
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....
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Severity
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Announcement ID: SUSE-SU-2022:2741-1
Rating: important
Topics Covered
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