MEDIUM 5.5 Microsoft
CVE-2020-10768
A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to confidentiality.
Microsoft Security Update 2020-Sep: A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to confidentiality.
Affected Products
- cm1 kernel 5.4.91-3 on CBL Mariner 1.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-10768
- https://nvd.nist.gov/vuln/detail/CVE-2020-10768
This medium severity vulnerability with a CVSS score of 5.5 was published on 2020-09-08 via Microsoft. Affected: cm1 kernel 5.4.91-3 on CBL Mariner 1.0.
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