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SUSE-SU-2020:1634-1 Not scored

Security update for xen

This update for xen fixes the following issues: - CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1172205). - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy (bsc#1169392). - CVE-2020-11740, CVE-2020-11741: xen: XSA-313 multiple xenoprof issues (bsc#1168140). - CVE-2020-11739: Missing memory barriers in read-write unlock paths (bsc#1168142). - CVE-2020-11743: Bad error path in GNTTABOP_map_grant (bsc#1168143). - Xenstored Crashed during VM install (bsc#1167152)

Exploit probability Not scored
Published June 17, 2020
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise High Performance Computing 15-ESPOS xen
SUSE:Linux Enterprise High Performance Computing 15-LTSS xen
SUSE:Linux Enterprise Server for SAP Applications 15 xen

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2020:1634-1

This update for xen fixes the following issues: - CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1172205). - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy (bsc#1169392). - CVE-2020-11740, CVE-2020-11741: xen: XSA-313 multiple xenoprof issues (bsc#1168140). - CVE-2020-11739: Missing memory barriers in read-write unlock paths (bsc#1168142). - CVE-2020-11743: Bad error path in GNTTABOP_map_grant (bsc#1168143). - Xenstored Crashed during VM install (bsc#1167152)

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05 / REFERENCES

Further evidence