SUSE: 2022:0940-1 Important Xen Patch for Side-Channel Attacks
suse
March 23, 2022
An update that solves three vulnerabilities and has one errata is now available
Summary
This update for xen fixes the following issues: Update Xen to version 4.14.4 (bsc#1027519) Transient execution side-channel attacks attacking the Branch History Buffer (BHB), named "Branch Target Injection" and "Intra-Mode Branch History Injection" are now mitigated. Security issues fixed: - CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: BHB speculation issues (bsc#1196915). Non-security issues fixed: - Fixed issue around xl and virsh operation - virsh list not giving any output (bsc#1191668).
References
#1027519 #1191668 #1194267 #1196915
Cross- CVE-2021-26401 CVE-2022-0001 CVE-2022-0002
CVSS scores:
CVE-2021-26401 (NVD) : 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVE-2021-26401 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVE-2022-0001 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVE-2022-0001 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVE-2022-0002 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVE-2022-0002 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected Products:
SUSE Linux Enterprise Desktop 15-SP3
SUSE Linux Enterprise High Performance Computing 15-SP3
SUSE Linux Enterprise Micro 5.1
SUSE Linux Enterprise Module for Basesystem 15-SP3
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Announcement ID: SUSE-SU-2022:0940-1
Rating: important
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