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Vulnerability record · CVE-2022-23825 · published 14 July 2022

CVE-2022-23825: Debian linux exposure of resource to wrong sphere vulnerability

Debian · Debian Linux

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.

6.5 CVSS 3.1 Medium EPSS 0.78% · top 45.7% CWE-668 · Exposure of resource to wrong sphere
6.5CVSS 3.1 base score, v2 2.1
0.78%EPSS exploitation probability, 30 days
NoNot in CISA KEV
126Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected products

126 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/11/08/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/11/10/2 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4RW5FCIYFNCQOEFJEUIRW3
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLSRW4LLTAT3CZMOYVNTC7Y
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M27MB3QFNIJV4EQQSXWARHP
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYI3OMJ7RIZNL3C6GUWNANN
https://security.gentoo.org/glsa/202402-07
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1037 Vendor Advisory
https://www.debian.org/security/2022/dsa-5184 Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/11/08/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/11/10/2 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4RW5FCIYFNCQOEFJEUIRW3
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLSRW4LLTAT3CZMOYVNTC7Y
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M27MB3QFNIJV4EQQSXWARHP
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYI3OMJ7RIZNL3C6GUWNANN
https://security.gentoo.org/glsa/202402-07
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1037 Vendor Advisory
https://www.debian.org/security/2022/dsa-5184 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.5CVE-2022-29900Debian linux vulnerabilityMis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent condi…EPSS 3.9%6.5CVE-2022-23823Amd athlon x4 750 firmware observable discrepancy vulnerabilityA potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentiall…EPSS 1.2%6.5CVE-2021-26341Amd athlon x4 940 firmware vulnerabilitySome AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.EPSS 0.32%5.6CVE-2021-26401Amd athlon x4 940 firmware vulnerabilityLFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.EPSS 0.29%5.5CVE-2022-23824Xen vulnerabilityIBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.EPSS 0.59%4.7CVE-2022-27672Amd athlon x4 750 firmware vulnerabilityWhen SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch po…EPSS 0.28%

Source: NIST National Vulnerability Database (record CVE-2022-23825), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.