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CVE-2022-42331

Date: March 20, 2023

x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks.

Language: S

Severity Score

Related Resources (11)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/
https://security.gentoo.org/glsa/202402-07
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/
https://nvd.nist.gov/vuln/detail/CVE-2022-42331
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/
https://www.debian.org/security/2023/dsa-5378
http://www.openwall.com/lists/oss-security/2023/03/21/3
https://xenbits.xenproject.org/xsa/advisory-429.txt
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/
http://xenbits.xen.org/xsa/advisory-429.html
https://www.mend.io/vulnerability-database/CVE-2022-42331

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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