Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 554
Alerts This Week
Warning Icon 1 554

SUSE 2021:0532-1 Important: Fixes For Linux Kernel Security Issues

suse
Calendar Grey February 19, 2021
Dist Suse Esm H88
This essential Fedora patch tackles severe driver problems and guarantees optimal system functionality with 48 amendments.
An update that solves 8 vulnerabilities and has 66 fixes is now available

Summary

The SUSE Linux Enterprise 15 SP1 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 denial of service critical important patch management linux kernel use after free

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

#1149032 #1174206 #1176831 #1176846 #1178036

#1178049 #1178900 #1179093 #1179142 #1179508

#1179509 #1179563 #1179573 #1179575 #1179878

#1180130 #1180765 #1180812 #1180891 #1180912

#1181018 #1181170 #1181230 #1181231 #1181260

#1181349 #1181425 #1181504 #1181809

Cross- CVE-2020-25639 CVE-2020-27835 CVE...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:0532-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service critical important patch management linux kernel use after free

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.