SUSE-SU-2022:3665-1
Vulnerability Summary
Timeline
Description
Security update for xen 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-2022-26365: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (bsc#1200762). - CVE-2022-33740: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (bsc#1200762). - CVE-2022-33741: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend (bsc#1200762). - CVE-2022-33742: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend (bsc#1200762). - CVE-2022-33745: Fixed an insufficient TLB flush for x86 PV guests in shadow mode (bsc#1201394). - CVE-2021-28689: Fixed speculative vulnerabilities with bare (non-shim) 32-bit PV guests (bsc#1185104). Bugfixes: - Fixed logic error in built-in default of max_event_channels (bsc#1167608, bsc#1201631). - Fixed issue where dom0 fails to boot with constrained vcpus and nodes (bsc#1197081). - Included upstream bugfixes (bsc#1027519).
Affected Systems
- opensuse•xen&distro=openSUSE Leap 15.3
< 4.14.5_06-150300.3.35.1
- opensuse•xen&distro=openSUSE Leap Micro 5.2
< 4.14.5_06-150300.3.35.1
- suse•xen&distro=SUSE Linux Enterprise Micro 5.1
< 4.14.5_06-150300.3.35.1
- suse•xen&distro=SUSE Linux Enterprise Micro 5.2
< 4.14.5_06-150300.3.35.1
- suse•xen&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3
< 4.14.5_06-150300.3.35.1
- suse•xen&distro=SUSE Linux Enterprise Module for Server Applications 15 SP3
< 4.14.5_06-150300.3.35.1
References (18)
- https://www.suse.com/support/update/announcement/2022/suse-su-20223665-1/
- https://bugzilla.suse.com/1027519
- https://bugzilla.suse.com/1167608
- https://bugzilla.suse.com/1185104
- https://bugzilla.suse.com/1197081
- https://bugzilla.suse.com/1200762
- https://bugzilla.suse.com/1201394
- https://bugzilla.suse.com/1201631
- https://bugzilla.suse.com/1203806
- https://bugzilla.suse.com/1203807
- https://www.suse.com/security/cve/CVE-2021-28689
- https://www.suse.com/security/cve/CVE-2022-26365
- https://www.suse.com/security/cve/CVE-2022-33740
- https://www.suse.com/security/cve/CVE-2022-33741
- https://www.suse.com/security/cve/CVE-2022-33742
- https://www.suse.com/security/cve/CVE-2022-33745
- https://www.suse.com/security/cve/CVE-2022-33746
- https://www.suse.com/security/cve/CVE-2022-33748