🛡️ USN-6319-1 — amd64-microcode
Description
amd64-microcode vulnerability
Daniël Trujillo, Johannes Wikner, and Kaveh Razavi discovered that some AMD
processors utilising speculative execution and branch prediction may allow
unauthorised memory reads via a speculative side-channel attack. A local
attacker could use this to expose sensitive information, including kernel
memory.
Affected software
USN-6319-1 is recorded against 1 package.
- amd64-microcode (fixed in 3.20191218.1ubuntu2.2)
Timeline and source
Published on 30 August 2023 and last revised on 25 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| amd64-microcode | — | 3.20191218.1ubuntu2.2 |
References
Similar Threats
- Unknown CLSA-2026-1774375498
- Unknown CLSA-2026-1773782865
- Unknown CLSA-2026-1773683404
- Unknown CLSA-2026-1772645765
- Unknown CLSA-2025-1748262659
More USN 6 advisories
Browse all of USN 6 in the advisory index.
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