| Name | CVE-2018-3640 |
| Description | Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, aka Rogue System Register Read (RSRE), Variant 3a. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1446-1, DSA-4273-1, DSA-4273-2 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| intel-microcode (PTS) | bullseye/non-free | 3.20240813.1~deb11u1 | fixed |
| bullseye/non-free (security) | 3.20250512.1~deb11u1 | fixed |
| bookworm/non-free-firmware | 3.20250211.1~deb12u1 | fixed |
| bookworm/non-free-firmware (security) | 3.20250512.1~deb12u1 | fixed |
| trixie/non-free-firmware, sid/non-free-firmware | 3.20250512.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
No software mitigations planned to be implemented in src:linux
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html
The 3.20180703.1 release for intel-microcode was the first batch of updates which targeted
most server type CPUs, additional models were supported in the 3.20180807a.1 release