https://seclists.org/oss-sec/2023/q4/211: CVE-2023-23583: Intel - Denial of Service - Privilege Escalation (Reptar)
Published Nov 14, 2023
·Updated
Affected Software
1 affected component
Intel microcode
Frequently Asked Questions
1
What is the severity of CVE-2023-23583?
CVE-2023-23583 is considered a high severity vulnerability due to its potential for causing denial of service and privilege escalation.
2
How do I fix CVE-2023-23583?
To mitigate CVE-2023-23583, users should update to the latest Intel microcode provided by Intel.
3
What systems are affected by CVE-2023-23583?
CVE-2023-23583 affects various Intel microarchitectures that utilize the REP MOVSB instruction with a redundant REX prefix.
4
What impact does CVE-2023-23583 have on affected systems?
CVE-2023-23583 can lead to unpredictable system behavior, including crashes or hangs, which disrupts system availability.
5
Is there a workaround for CVE-2023-23583 while waiting for a patch?
Currently, there are no documented workarounds for CVE-2023-23583 other than applying the necessary microcode updates from Intel.