CVE-2018-15572
Advisory lineage Upstream: 0 Downstream: 23
Modified
Published: 20 Aug 2018, 02:00
Last modified:05 Aug 2024, 10:01
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
6.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.04% LOW
0% probability -0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
20 Aug 2018, 02:00
Published
Vulnerability first disclosed
05 Aug 2024, 10:01
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 6.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.04%• Percentile: 13%
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 16.04 | 18.04
- debian•debian_linux
8.0 | 9.0
- linux•linux_kernel
< 4.18.1
References (12)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdf82a7856b32d905c39afc85e34364491e46346
- https://usn.ubuntu.com/3776-1/
- https://usn.ubuntu.com/3776-2/
- https://usn.ubuntu.com/3777-1/
- https://github.com/torvalds/linux/commit/fdf82a7856b32d905c39afc85e34364491e46346
- https://usn.ubuntu.com/3775-1/
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- https://www.debian.org/security/2018/dsa-4308
- https://usn.ubuntu.com/3775-2/
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
- https://usn.ubuntu.com/3777-2/
- https://usn.ubuntu.com/3777-3/