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SUSE: 2021:0433-1 Important: Local Exploits in Kernel Fixed

suse
Calendar Grey February 11, 2021
Dist Suse Esm H88
Critical patch released for Debian OS Kernel, addressing 12 security flaws and improving system performance.
An update that solves 10 vulnerabilities and has 75 fixes is now available

Summary

The SUSE Linux Enterprise 12 SP5 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

Topics%20covered

Topics Covered

security advisory local exploit important kernel SUSE Linux multiple fixes

References

#1046305 #1046306 #1046540 #1046542 #1046648

#1050242 #1050244 #1050536 #1050538 #1050545

#1056653 #1056657 #1056787 #1064802 #1066129

#1073513 #1074220 #1075020 #1086282 #1086301

#1086313 #1086314 #1098633 #1103990 #1103991

#1103992 #1104270 #1104277 #1104279 #1104353

#1104427 #1104742 #1104745 #1109837 #1111981

#1112178 #1112374 #1113956 #1119113 #1126206

#1126390 #1127354 #1127371 #1129770 #1136348

#1144912 #1149032 #1163727 #1172145 #1174206

#1176831 #1176846 #1178036 #1178049 #1178372

#1178631 #1178684 #1178900 #1179093 #1179508

#1179509 #1179563 #1179573 #1179575 #1179878

#1180008 #1180130 #1180559 #1180562 #1180676

#1180765 #1180812 #1180859 #1180891 #1180912

#1181001 #118...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:0433-1
Rating: important

Topics%20covered

Topics Covered

security advisory local exploit important kernel SUSE Linux multiple fixes

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