Debian Security Advisory
DLA-2743-1 amd64-microcode -- LTS security update
- Date Reported:
- 16 Aug 2021
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 886382.
In Mitre's CVE dictionary: CVE-2017-5715.
- More information:
It was discovered that systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis (Spectre v2). Multiple fixes were done already in Linux kernel, intel-microcode, et al. This fix adds amd-microcode-based IBPB support.
For Debian 9 stretch, this problem has been fixed in version 3.20181128.1~deb9u1.
We recommend that you upgrade your amd64-microcode packages.
For the detailed security status of amd64-microcode please refer to its security tracker page at: https://security-tracker.debian.org/tracker/amd64-microcode
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS