SUSE MicroOS 5.0: 2022:0181-1 Important: Critical Kernel Security Issues
suse
January 25, 2022
An update that solves 10 vulnerabilities, contains one feature and has 42 fixes is now available
Summary
The SUSE MicroOS 5.0 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-4001: Fixed a race condition when the EBPF map is frozen. (bsc#1192990) - CVE-2021-4002: Added a missing TLB flush that could lead to leak or corruption of data in hugetlbfs. (bsc#1192946) - CVE-2021-28711: Fixed a rogue backends that could cause DoS of guests via high frequency events by hardening blkfront against event channel storms. (bsc#1193440) - CVE-2021-28712: Fixed a rogue backends that could cause DoS of guests via high frequency events by hardening netfront against event channel storms. (bsc#1193440) - CVE-2021-28713: Fixed a rogue backends that could cause DoS of guests via high frequency events by hardening hvc_xen against event channel storms. (bsc#1193440)
Topics Covered
References
#1139944 #1151927 #1152489 #1154353 #1154355
#1161907 #1164565 #1166780 #1176242 #1176536
#1176544 #1176545 #1176546 #1176548 #1176558
#1176559 #1176956 #1177440 #1178270 #1179211
#1179426 #1179427 #1179960 #1181148 #1181507
#1181710 #1183534 #1183540 #1183897 #1185726
#1185902 #1187541 #1189126 #1191793 #1191876
#1192267 #1192507 #1192511 #1192569 #1192606
#1192845 #1192847 #1192877 #1192946 #1192969
#1192990 #1193042 #1193169 #1193318 #1193349
#1193440 #1193442 SLE-20042
Cross- CVE-2021-28711 CVE-2021-28712 CVE-2021-28713
CVE-2021-28714 CVE-2021-28715 CVE-2021-33098
CVE-2021-4001 CVE-2021-4002 CVE-2021-43975
CVE-2021-43976
CVSS scores:
CVE-2021-28711 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I...
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Severity
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Critical
Announcement ID: SUSE-SU-2022:0181-1
Rating: important
Topics Covered
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