QID 174928

Date Published: 2021-04-21

QID 174928: SUSE Enterprise Linux Security Update for xen (SUSE-SU-2021:1252-1)

This update for xen fixes the following issues:

- CVE-2021-20257: xen: infinite loop issue in the e1000 NIC emulator
(bsc#1182846).
- CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being
updated under certain circumstances due to improper backport of XSA-321
(XSA-366, bsc#1182431).

Successful exploitation allows attacker to compromise the system.

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as Medium - 5.9 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-2021:1252-1 to address this issue and obtain further details.

Vendor References

SUSE-SU-2021:1252-1 - lists.suse.com/pipermail/sle-security-updates/2021-April/008654.html

CVEs related to QID 174928

CVE-2021-20257 | CVE-2021-27379 |

Software Advisories

Advisory ID	Software	Component	Link
SUSE-SU-2021:1252-1	SUSE Enterprise Linux		lists.suse.com/pipermail/sle-security-updates/2021-April/008654.html

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