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
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:
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
Debian LTS Advisory DLA-2743-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
August 16, 2021 https://wiki.debian.org/LTS
Version : 3.20181128.1~deb9u1