SUSE-SU-2021:1023-1

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SUSE-SU-2021:1023-1

Summary: Security update for xen

Details: This update for xen fixes the following issues: - CVE-2021-3308: VUL-0: xen: IRQ vector leak on x86 (bsc#1181254, XSA-360) - CVE-2021-28687: VUL-0: xen: HVM soft-reset crashes toolstack (bsc#1183072, XSA-368) - CVE-2021-20257: VUL-0: xen: infinite loop issue in the e1000 NIC emulator (bsc#1182846) - CVE-2020-28368: VUL-0: xen: Intel RAPL sidechannel attack aka PLATYPUS attack aka (bsc#1178591, XSA-351) - L3: conring size for XEN HV's with huge memory to small. Inital Xen logs cut (bsc#1177204) - Kdump of HVM fails, soft-reset not handled by libxl (bsc#1179148) - OpenQA job causes libvirtd to dump core when running kdump inside domain (bsc#1181989) - Allow restart of xenwatchdogd, enable tuning of keep-alive interval and timeout options via XENWATCHDOGD_ARGS= (bsc#1178736) - The receiving side did detect holes in a to-be-allocated superpage, but allocated a superpage anyway. This resulted to over-allocation (bsc#1177112) - The receiving side may punch holes incorrectly into optimistically allocated superpages. Also reduce overhead in bitmap handling (bsc#1177112) - Upstream bug fixes (bsc#1027519)

References: https://www.suse.com/support/update/announcement/2021/suse-su-20211023-1/, https://bugzilla.suse.com/1027519, https://bugzilla.suse.com/1177112, https://bugzilla.suse.com/1177204, https://bugzilla.suse.com/1178591, https://bugzilla.suse.com/1178736, https://bugzilla.suse.com/1179148, https://bugzilla.suse.com/1181254, https://bugzilla.suse.com/1181989, https://bugzilla.suse.com/1182846, https://bugzilla.suse.com/1183072, https://www.suse.com/security/cve/CVE-2020-28368, https://www.suse.com/security/cve/CVE-2021-20257, https://www.suse.com/security/cve/CVE-2021-28687, https://www.suse.com/security/cve/CVE-2021-3308