PT-2023-1507

CVE-2022-27672

·

Published

2023-02-10

·

Updated

2026-10-31

Description by

CVSS 3.1
4.7
Medium
MetricsAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions AMD processors (affected versions not specified)
Description When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch, potentially resulting in information disclosure. This issue is related to errors occurring after a core exits the C0 sleep state. Exploitation of this issue may allow an attacker to disclose protected information, including access to the return address predictor cache.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Impacts
Vendors
Affected products
Related identifiers
CLEANSTART-2024-EC26325
CLSA-2025-1747725447
MGASA-2023-0087
MGASA-2023-0088
OESA-2023-1188
OESA-2023-1250
OESA-2023-1251
OESA-2023-1252
OPENSUSE-SU-2024:12715-1
RHSA-2023:7370
RHSA-2023:7379
SUSE-SU-2023:0692-1
SUSE-SU-2023_0692-1
USN-5978-1
USN-6079-1
USN-6080-1
USN-6085-1
USN-6090-1
USN-6091-1
USN-6096-1
USN-6133-1
USN-6134-1
USN-6284-1
USN-6301-1
USN-6312-1
USN-6314-1
USN-6331-1
USN-6337-1
USN-6385-1
USN-6396-1
USN-6396-2
USN-6396-3
Found an issue in the description? Have something to add? Feel free to write us 👾