SUSE-SU-2022:3665-1

    Dashboard / Vulnerabilities / SUSE-SU-2022:3665-1

    SUSE-SU-2022:3665-1

    Published: 19 Oct 2022Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: 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).

    References: 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

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.14.5_06-150300.3.35.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    SUSE-SU-2022:3665-1 | CVE-DB