
Find real vulnerabilities before they ship
The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.
Base Score
6.5| Base Score | 6.5 |
|---|---|
| Vector String | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
| Base Severity | Medium |
| Version | 3.0 |
| Attack Vector (AV) | LOCAL |