SUSE: 2022:0456-2 Critical: Remote Access Vulnerabilities Identified
suse
February 9, 2021
An update that solves 11 vulnerabilities and has 62 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-2021-3347: A use-after-free was discovered in the PI futexes during fault handling, allowing local users to execute code in the kernel (bnc#1181349). - CVE-2021-3348: Fixed a use-after-free in nbd_add_socket that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup (bnc#1181504). - CVE-2021-20177: Fixed a kernel panic related to iptables string matching rules. A privileged user could insert a rule which could lead to denial of service (bnc#1180765). - CVE-2021-0342: In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation
References
#1065600 #1149032 #1152472 #1152489 #1153274
#1154353 #1155518 #1163727 #1163930 #1165545
#1167773 #1172355 #1175389 #1176395 #1176831
#1176846 #1178142 #1178372 #1178631 #1178684
#1179142 #1179396 #1179508 #1179509 #1179567
#1179572 #1179575 #1179878 #1180008 #1180130
#1180264 #1180412 #1180541 #1180559 #1180562
#1180566 #1180676 #1180759 #1180765 #1180773
#1180809 #1180812 #1180848 #1180859 #1180889
#1180891 #1180971 #1181014 #1181018 #1181077
#1181104 #1181148 #1181158 #1181161 #1181169
#1181203 #1181217 #1181218 #1181219 #1181220
#1181237 #1181318 #1181335 #1181346 #1181349
#1181425 #1181494 #1181504 #1181511 #1181538
#1181553 #1181584 #1181645
Cross- CVE-2020-25211 CVE-2020-25639 CVE-2020-27835
...
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Announcement ID: SUSE-SU-2021:0347-1
Rating: important
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