CVE-2020-10768 - CVE House
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Status published Medium CVE-2020-10768

A flaw was found in the Linux Kernel before 5.8-rc1...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Linux Kernel

View all reports →

Affected Software

kernel
Vulnerable Versions:
before 5.8-rc1

Timeline

Official Publish: September 15th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-440

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.