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feat(reptar): add detection and mitigation of Reptar

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Stéphane Lesimple
2023-11-17 12:17:12 +01:00
parent 9b7b09ada3
commit 97f4d5f2bc
3 changed files with 459 additions and 306 deletions
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@@ -23,6 +23,7 @@ CVE
[CVE-2022-40982](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40982) | Gather Data Sampling | GDS, Downfall
[CVE-2023-20569](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20569) | Return Address Security | Inception, RAS, SRSO
[CVE-2023-20593](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20593) | Cross-Process Information Leak | Zenbleed
[CVE-2023-23583](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23583) | Redundant Prefix issue | Reptar
Supported operating systems:
- Linux (all versions, flavors and distros)
@@ -199,3 +200,9 @@ docker run --rm --privileged -v /boot:/boot:ro -v /dev/cpu:/dev/cpu:ro -v /lib/m
- Impact: Kernel & all software
- Mitigation: either kernel mitigation by disabling a CPU optimization through an MSR bit, or CPU microcode mitigation
- Performance impact of the mitigation: TBD
**CVE-2023-23583** Redundant Prefix issue (Reptar)
- Impact: All software
- Mitigation: microcode update for the affected CPU
- Performance impact of the mitigation: low