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4.7
CVSSv3

CVE-2019-18660

Published: 27/11/2019 Updated: 07/11/2023
CVSS v2 Base Score: 1.9 | Impact Score: 2.9 | Exploitability Score: 3.4
CVSS v3 Base Score: 4.7 | Impact Score: 3.6 | Exploitability Score: 1
VMScore: 169
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N
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Vulnerability Summary

The Linux kernel prior to 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.

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linux linux kernel

redhat enterprise linux 7.0

redhat enterprise linux 6.0

canonical ubuntu linux 16.04

canonical ubuntu linux 18.04

canonical ubuntu linux 19.04

fedoraproject fedora 30

canonical ubuntu linux 14.04

redhat enterprise linux 8.0

opensuse leap 15.1

canonical ubuntu linux 19.10

fedoraproject fedora 31

Vendor Advisories

Red Hat: Important: kernel security and bug fix update
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 76 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Important A Common Vulnerabili ...
Red Hat: Moderate: kernel security and bug fix update
Synopsis Moderate: kernel security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for kernel is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base ...
Red Hat: Moderate: kernel security and bug fix update
Synopsis Moderate: kernel security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for kernel is now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base ...
Red Hat: Important: kernel-alt security and bug fix update
Synopsis Important: kernel-alt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-alt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System ...
Red Hat: Moderate: kernel security and bug fix update
Synopsis Moderate: kernel security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for kernel is now available for Red Hat Enterprise Linux 77 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability ...
Red Hat: Important: kernel security and bug fix update
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 80 Update Services for SAP SolutionsRed Hat Product Security has rated this update as having a security impact of Important A Common V ...
Red Hat: Moderate: Red Hat CodeReady Workspaces 2.1.0 release
Synopsis Moderate: Red Hat CodeReady Workspaces 210 release Type/Severity Security Advisory: Moderate Topic Red Hat CodeReady Workspaces 210 has been releasedRed Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base score, ...
Ubuntu Security Notice: linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
Several security issues were fixed in the Linux kernel ...
Ubuntu Security Notice: linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-kvm, linux-oracle, linux-raspi2 vulnerabilities
Several security issues were fixed in the Linux kernel ...
Ubuntu Security Notice: linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities
Several security issues were fixed in the Linux kernel ...
Ubuntu Security Notice: linux, linux-aws, linux-aws-5.0, linux-azure, linux-gcp, linux-gke-5.0, linux-kvm, linux-oem-osp1, linux-oracle, linux-oracle-5.0, linux-raspi2 vulnerabilities
Several security issues were fixed in the Linux kernel ...
Ubuntu Security Notice: linux-azure vulnerabilities
Several security issues were fixed in the Linux kernel ...
Ubuntu Security Notice: linux-lts-xenial, linux-aws vulnerabilities
Several security issues were fixed in the Linux kernel ...
Ubuntu Security Notice: linux-hwe vulnerabilities
Several security issues were fixed in the Linux kernel ...

References

CWE-200https://www.openwall.com/lists/oss-security/2019/11/27/1https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39e72bf96f5847ba87cc5bd7a3ce0fed813dc9adhttp://www.openwall.com/lists/oss-security/2019/11/27/1https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.1http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlhttps://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/10http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlhttps://access.redhat.com/errata/RHSA-2020:0174https://usn.ubuntu.com/4225-2/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/https://nvd.nist.govhttps://access.redhat.com/errata/RHSA-2020:2851https://usn.ubuntu.com/4228-1/
CVSSv3
CVSSv2
CVSSv3
VMScore
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