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: HVM soft-reset crashes toolstack (bsc#1183072, XSA-368)

L3: conring size for XEN HV's with huge memory to small. Inital Xen logs cut (bsc#1177204)

L3: XEN domU crashed on resume when using the xl unpause command (bsc#1182576)

L3: xen: no needsreboot flag set (bsc#1180690)

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)

Upstream bug fixes (bsc#1027519)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-202107-30 (Xen: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Xen. Please review the       CVE identifiers referenced below for details.
  Impact :

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

The remote Fedora 32 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-a468f36bbe advisory.

  - HVM soft-reset crashes toolstack (XSA-368) (CVE-2021-28687)

  - HVM soft-reset crashes toolstack (XSA-368) [fedora-all] (CVE-2021-28687)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

This update for xen fixes the following issues :

CVE-2020-28368: Intel RAPL sidechannel attack aka PLATYPUS attack (bsc#1178591, XSA-351)

CVE-2021-3308: IRQ vector leak on x86 (bsc#1181254, XSA-360)

CVE-2021-28687: HVM soft-reset crashes toolstack (bsc#1183072, XSA-368)

L3: conring size for XEN HV's with huge memory to small (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).

Upstream bug fixes (bsc#1027519)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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: HVM soft-reset crashes toolstack     (bsc#1183072, XSA-368)

  - L3: conring size for XEN HV's with huge memory to small.
    Inital Xen logs cut (bsc#1177204)

  - L3: XEN domU crashed on resume when using the xl unpause     command (bsc#1182576)

  - L3: xen: no needsreboot flag set (bsc#1180690)

  - 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)

  - Upstream bug fixes (bsc#1027519)

This update was imported from the SUSE:SLE-15-SP2:Update update project.

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)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-0b784a4d02 advisory.

  - HVM soft-reset crashes toolstack (XSA-368) (CVE-2021-28687)

  - HVM soft-reset crashes toolstack (XSA-368) [fedora-all] (CVE-2021-28687)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
148366	SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2021:1028-1)	Nessus	SuSE Local Security Checks	4/7/2021	1/26/2022	medium
157004	GLSA-202107-30 : Xen: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	1/24/2022	1/26/2022	high
148199	Fedora 32 : xen (2021-a468f36bbe)	Nessus	Fedora Local Security Checks	3/29/2021	1/21/2022	medium
149227	SUSE SLES15 Security Update : xen (SUSE-SU-2021:1460-1)	Nessus	SuSE Local Security Checks	5/3/2021	1/26/2022	medium
148384	openSUSE Security Update : xen (openSUSE-2021-514)	Nessus	SuSE Local Security Checks	4/8/2021	1/26/2022	medium
148365	SUSE SLES12 Security Update : xen (SUSE-SU-2021:1023-1)	Nessus	SuSE Local Security Checks	4/7/2021	3/23/2022	medium
148202	Fedora 33 : xen (2021-0b784a4d02)	Nessus	Fedora Local Security Checks	3/29/2021	1/21/2022	medium

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