CVSS 3.1
4.7 mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NCVE-2019-18660
Medium (4.7). EPSS 0.7% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
- CWE
- CWE-200
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- fedoraproject:fedora
- linux:linux_kernel
- opensuse:leap
- redhat:enterprise_linux
References
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
- http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- http://www.openwall.com/lists/oss-security/2019/11/27/1
- https://access.redhat.com/errata/RHSA-2020:0174
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.1