CVE-2018-15572
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
6.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
6.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.5%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| debian:debian_linux | debian debian linux | eq | 8.0 |
| debian:debian_linux | debian debian linux | eq | 9.0 |
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdf82a7856b32d905c39afc85e34364491e46346
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
github.com/torvalds/linux/commit/fdf82a7856b32d905c39afc85e34364491e46346
lists.debian.org/debian-lts-announce/2018/10/msg00003.html
usn.ubuntu.com/3775-1/
usn.ubuntu.com/3775-2/
usn.ubuntu.com/3776-1/
usn.ubuntu.com/3776-2/
usn.ubuntu.com/3777-1/
usn.ubuntu.com/3777-2/
usn.ubuntu.com/3777-3/
www.debian.org/security/2018/dsa-4308
Related
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
6.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
6.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.5%