CVE-2023-20593
Published: July 24, 2023Last modified: September 1, 2023
Description
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-firmware | Fixed (20221214-r4) |
References
- http://seclists.org/fulldisclosure/2023/Jul/43
- http://www.openwall.com/lists/oss-security/2023/07/24/3
- http://www.openwall.com/lists/oss-security/2023/07/25/1
- http://www.openwall.com/lists/oss-security/2023/07/25/12
- http://www.openwall.com/lists/oss-security/2023/07/25/13
- http://www.openwall.com/lists/oss-security/2023/07/25/14
- http://www.openwall.com/lists/oss-security/2023/07/25/15
- http://www.openwall.com/lists/oss-security/2023/07/25/16
- http://www.openwall.com/lists/oss-security/2023/07/25/17
- http://www.openwall.com/lists/oss-security/2023/07/25/5
- http://www.openwall.com/lists/oss-security/2023/07/25/6
- http://www.openwall.com/lists/oss-security/2023/07/26/1
- http://www.openwall.com/lists/oss-security/2023/07/31/2
- http://www.openwall.com/lists/oss-security/2023/08/08/6
- http://www.openwall.com/lists/oss-security/2023/08/08/7
- http://www.openwall.com/lists/oss-security/2023/08/08/8
- http://www.openwall.com/lists/oss-security/2023/08/16/4
- http://www.openwall.com/lists/oss-security/2023/08/16/5
- http://www.openwall.com/lists/oss-security/2023/09/22/11
- http://www.openwall.com/lists/oss-security/2023/09/22/9
- http://www.openwall.com/lists/oss-security/2023/09/25/4
- http://www.openwall.com/lists/oss-security/2023/09/25/7
- http://xenbits.xen.org/xsa/advisory-433.html
- https://cmpxchg8b.com/zenbleed.html
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/07/msg00033.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/
- https://security.netapp.com/advisory/ntap-20240531-0004/
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008
- https://www.debian.org/security/2023/dsa-5459
- https://www.debian.org/security/2023/dsa-5461
- https://www.debian.org/security/2023/dsa-5462