Vulnerabilities > CVE-2020-10768 - Unspecified vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
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.
Vulnerable Configurations
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10768
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d8df8cbb9156b0a0ab3f802b80cb5db57acc0bf
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10768
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d8df8cbb9156b0a0ab3f802b80cb5db57acc0bf