FlawAtlas
Search the atlas
USN-6244-1 Not scored

amd64-microcode vulnerability

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

Exploit probability Not scored
Published July 25, 2023
Required by Not available
Last source change June 25, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:20.04:LTS amd64-microcode

3 explicit affected versions

Ubuntu:22.04:LTS amd64-microcode

1 explicit affected versions

Ubuntu:Pro:16.04:LTS amd64-microcode

6 explicit affected versions

Ubuntu:Pro:18.04:LTS amd64-microcode

6 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-6244-1

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

View original source

05 / REFERENCES

Further evidence