CVE-2019-18660
Advisory lineage Upstream: 0 Downstream: 30
Modified
Published: 27 Nov 2019, 22:11
Last modified:05 Aug 2024, 01:54
Vulnerability Summary
Overall Risk (default)
low
19/100 CVSS Score
4.7 MEDIUM
v3.1 (nvd)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
27 Nov 2019, 22:11
Published
Vulnerability first disclosed
05 Aug 2024, 01:54
Last Modified
Vulnerability information updated
Description
The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c.
CVSS Metrics
- v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 1.9AV:L/AC:M/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.03%• Percentile: 9%
Techniques & Countermeasures
- CWE-200•Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 18.04 | 19.04 | 19.10
- fedoraproject•fedora
30 | 31
- linux•linux_kernel
< 5.4.1
- opensuse•leap
15.1
- redhat•enterprise_linux
6.0 | 7.0 | 8.0
References (18)
- https://www.openwall.com/lists/oss-security/2019/11/27/1
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39e72bf96f5847ba87cc5bd7a3ce0fed813dc9ad
- http://www.openwall.com/lists/oss-security/2019/11/27/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
- https://security.netapp.com/advisory/ntap-20200103-0001/
- https://usn.ubuntu.com/4228-1/
- https://usn.ubuntu.com/4227-1/
- https://usn.ubuntu.com/4226-1/
- https://usn.ubuntu.com/4225-1/
- https://usn.ubuntu.com/4228-2/
- https://usn.ubuntu.com/4227-2/
- https://seclists.org/bugtraq/2020/Jan/10
- http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://access.redhat.com/errata/RHSA-2020:0174
- https://usn.ubuntu.com/4225-2/