| Name | CVE-2020-0543 |
| Description | Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2241-1, DLA-2242-1, DLA-2248-1, DSA-4698-1, DSA-4699-1, DSA-4701-1 |
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 | 3.20250512.1~deb12u1 | fixed | |
| bookworm/non-free-firmware (security) | 3.20250812.1~deb12u1 | fixed | |
| trixie/non-free-firmware | 3.20250512.1 | fixed | |
| trixie/non-free-firmware (security) | 3.20250812.1~deb13u1 | fixed | |
| forky/non-free-firmware, sid/non-free-firmware | 3.20250812.1 | fixed | |
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.244-1 | fixed | |
| bookworm | 6.1.148-1 | fixed | |
| bookworm (security) | 6.1.153-1 | fixed | |
| trixie | 6.12.43-1 | fixed | |
| trixie (security) | 6.12.48-1 | fixed | |
| forky, sid | 6.16.12-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| intel-microcode | source | jessie | 3.20200609.2~deb8u1 | DLA-2248-1 | ||
| intel-microcode | source | stretch | 3.20200609.2~deb9u1 | DSA-4701-1 | ||
| intel-microcode | source | buster | 3.20200609.2~deb10u1 | DSA-4701-1 | ||
| intel-microcode | source | (unstable) | 3.20200609.1 | |||
| linux | source | jessie | 3.16.84-1 | DLA-2241-1 | ||
| linux | source | stretch | 4.9.210-1+deb9u1 | DSA-4698-1 | ||
| linux | source | buster | 4.19.118-2+deb10u1 | DSA-4699-1 | ||
| linux | source | (unstable) | 5.6.14-2 | |||
| linux-4.9 | source | jessie | 4.9.210-1+deb9u1~deb8u1 | DLA-2242-1 |
https://www.vusec.net/projects/crosstalk/
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.html
https://software.intel.com/security-software-guidance/insights/deep-dive-special-register-buffer-data-sampling