CVE-2022-29900

What it is

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of data exposure.

Exploit odds

3.9% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2022-07-12 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:40 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 3.9% in the next 30 days (EPSS).
• Severity: 6.5 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2022-07-12 19:15 UTC

Last modified

2026-06-17 04:40 UTC

Exploit probability

3.9% · EPSS, next 30 days

Weakness

CWE-212

Record status

Modified

Affected

• Debian Linux 11.0
• Fedoraproject Fedora 35
• Fedoraproject Fedora 36
• Xen
• Amd Athlon x4 750 Firmware
• Amd Athlon x4 760k Firmware
• Amd Athlon x4 830 Firmware
• Amd Athlon x4 835 Firmware

Attack profile CVSS 3.1 · 6.5

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-29900.md and follow it. Check whether this project is affected by CVE-2022-29900. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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