SUSE: 2022:3925-1 Critical: Fix for Xen Denial of Service Vulnerability
suse
November 9, 2022
An update that fixes 20 vulnerabilities is now available
Summary
This update for xen fixes the following issues: - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing (bsc#1203806). - CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807). - CVE-2021-28689: Fixed speculative vulnerabilities with bare (non-shim) 32-bit PV guests (bsc#1185104). - CVE-2022-42311, CVE-2022-42312, CVE-2022-42313, CVE-2022-42314, CVE-2022-42315, CVE-2022-42316, CVE-2022-42317, CVE-2022-42318: xen: Xenstore: Guests can let xenstored run out of memory (bsc#1204482) - CVE-2022-42309: xen: Xenstore: Guests can crash xenstored (bsc#1204485) - CVE-2022-42310: xen: Xenstore: Guests can create orphaned Xenstore nodes (bsc#1204487) - CVE-2022-42319: xen: Xenstore: Guests can cause Xenstore to not free temporary memory (bsc#1204488)
References
#1185104 #1193923 #1203806 #1203807 #1204482
#1204485 #1204487 #1204488 #1204489 #1204490
#1204494 #1204496
Cross- CVE-2021-28689 CVE-2022-33746 CVE-2022-33748
CVE-2022-42309 CVE-2022-42310 CVE-2022-42311
CVE-2022-42312 CVE-2022-42313 CVE-2022-42314
CVE-2022-42315 CVE-2022-42316 CVE-2022-42317
CVE-2022-42318 CVE-2022-42319 CVE-2022-42320
CVE-2022-42321 CVE-2022-42322 CVE-2022-42323
CVE-2022-42325 CVE-2022-42326
CVSS scores:
CVE-2021-28689 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVE-2021-28689 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVE-2022-33746 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVE-2022-33746 (SUSE): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
PREVIOUS 
NEXT Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!