intel-microcode: Incorrect default permissions in some Intel(R) Xeon(R) processor memorycontroller configurations when using Intel(R)...
CVE-2024-21820 is fixed in 3 products on 1 platform, first by ALAS2023-2024-748, released October 24, 2024. It is not reported as exploited. Patch Radar priority: Routine.
Incorrect default permissions in some Intel(R) Xeon(R) processor memorycontroller configurations when using Intel(R) SGX may allow a privilegeduser to potentially enable escalation of privilege via local access.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| intel-microcode · Debian 11.6 (bullseye) | 3.20241112.1~deb11u1 | DLA-4002-1 | Dec 23, 2024 |
| intel-microcode · Debian 12.15 (bookworm) | 3.20241112.1~deb12u1 | DEBIAN-CVE-2024-21820 | Nov 13, 2024 |
| intel-microcode · Debian 13.5 (trixie) | 3.20241112.1 | DEBIAN-CVE-2024-21820 | Nov 13, 2024 |
| intel-microcode · Debian 14 | 3.20241112.1 | DEBIAN-CVE-2024-21820 | Nov 13, 2024 |
| intel-microcode · Ubuntu 18.04.6 LTS (bionic) | 3.20241112.0ubuntu0.18.04.1+esm1 | intel-microcode 3.20241112.0ubuntu0.18.04.1+esm1 | Nov 13, 2024 |
| intel-microcode · Ubuntu 20.04 LTS (focal) | 3.20241112.0ubuntu0.20.04.1 | intel-microcode 3.20241112.0ubuntu0.20.04.1 | Nov 13, 2024 |
| intel-microcode · Ubuntu 22.04.1 LTS (jammy) | 3.20241112.0ubuntu0.22.04.1 | intel-microcode 3.20241112.0ubuntu0.22.04.1 | Nov 13, 2024 |
| intel-microcode · Ubuntu 24.04.5 LTS (noble) | 3.20241112.0ubuntu0.24.04.1 | intel-microcode 3.20241112.0ubuntu0.24.04.1 | Nov 13, 2024 |
| intel-microcode · Ubuntu 24.10 (oracular) | 3.20241112.0ubuntu0.24.10.1 | intel-microcode 3.20241112.0ubuntu0.24.10.1 | Jan 16, 2026 |
| microcode_ctl · amzn 2023 | 2:2.1-53.amzn2023.0.9 | ALAS2023-2024-748 | Oct 24, 2024 |
| ucode-intel · opensuse-leap 15.6 | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 | Nov 26, 2024 |
| ucode-intel · sles 15.6 | 20241112-150200.50.1 | SUSE-SU-2024:4053-1 | Nov 26, 2024 |
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