QID 174871

QID 174871: SUSE Enterprise Linux Security Update for xen (SUSE-SU-2021:1028-1)

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)

Successful exploitation allows attacker to compromise the system.

CVSS V3 rated as Medium - 5.5 severity.

CVSS V2 rated as Medium - 4.9 severity.

Solution

Upgrade to the latest package which contains the patch. To install this SUSE Security, Update use YaST online_update. Alternatively you can run the command listed for your product. To install packages using the command line interface, use command "yum update". Refer to Suse security advisory: SUSE-SU-2021:1028-1 to address this issue and obtain further details.

Vendor References

SUSE-SU-2021:1028-1 - lists.suse.com/pipermail/sle-security-updates/2021-April/008586.html

CVEs related to QID 174871

CVE-2021-3308 | CVE-2021-28687 |

Software Advisories

Advisory ID	Software	Component	Link
SUSE-SU-2021:1028-1	SUSE Enterprise Linux		lists.suse.com/pipermail/sle-security-updates/2021-April/008586.html

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