CVE-2020-10768
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-10768
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-10768.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.7.6-1 |
| debian | bullseye | fixed | 5.7.6-1 |
| debian | forky | fixed | 5.7.6-1 |
| debian | sid | fixed | 5.7.6-1 |
| debian | trixie | fixed | 5.7.6-1 |
References
Verify integrity in audit chain (admin only). AS-IS.