CVE-2019-18660

LOW

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.

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

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39e72bf96f5847ba87cc5bd7a3ce0fed813dc9ad

https://lists.fedoraproject.org/archives/list/[email protected]/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/

https://lists.fedoraproject.org/archives/list/[email protected]/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/

https://seclists.org/bugtraq/2020/Jan/10

https://security.netapp.com/advisory/ntap-20200103-0001/

https://usn.ubuntu.com/4225-1/

https://usn.ubuntu.com/4225-2/

https://usn.ubuntu.com/4226-1/

https://usn.ubuntu.com/4227-1/

https://usn.ubuntu.com/4227-2/

https://usn.ubuntu.com/4228-1/

https://usn.ubuntu.com/4228-2/

https://www.openwall.com/lists/oss-security/2019/11/27/1

Details

Source: MITRE

Published: 2019-11-27

Updated: 2020-01-28

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 1.9

Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 3.4

Severity: LOW

CVSS v3.0

Base Score: 4.7

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 1

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2

OR

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Tenable Plugins

View all (33 total)

IDNameProductFamilySeverity
145985CentOS 8 : kernel (CESA-2020:1372)NessusCentOS Local Security Checks
high
139381RHEL 8 : kernel (RHSA-2020:1372)NessusRed Hat Local Security Checks
high
138659Oracle Linux 6 : kernel (ELSA-2020-2933)NessusOracle Linux Local Security Checks
low
138538Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20200715)NessusScientific Linux Local Security Checks
low
138502RHEL 6 : kernel (RHSA-2020:2933)NessusRed Hat Local Security Checks
low
138171RHEL 7 : kernel (RHSA-2020:2851)NessusRed Hat Local Security Checks
high
137275RHEL 8 : kernel (RHSA-2020:2429)NessusRed Hat Local Security Checks
medium
136661SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1255-1)NessusSuSE Local Security Checks
critical
136188RHEL 7 : kernel (RHSA-2020:1984)NessusRed Hat Local Security Checks
low
135813Scientific Linux Security Update : kernel on SL7.x x86_64 (20200407)NessusScientific Linux Local Security Checks
high
135378Oracle Linux 8 : kernel (ELSA-2020-1372)NessusOracle Linux Local Security Checks
high
135316CentOS 7 : kernel (CESA-2020:1016)NessusCentOS Local Security Checks
high
135080RHEL 7 : kernel (RHSA-2020:1016)NessusRed Hat Local Security Checks
high
134363SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:0613-1)NessusSuSE Local Security Checks
critical
133913EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-1112)NessusHuawei Local Security Checks
critical
133162RHEL 7 : kernel-alt (RHSA-2020:0174)NessusRed Hat Local Security Checks
high
133142Ubuntu 18.04 LTS : Linux kernel (HWE) vulnerabilities (USN-4225-2)NessusUbuntu Local Security Checks
critical
132925SUSE SLES12 Security Update : kernel (SUSE-SU-2020:0093-1)NessusSuSE Local Security Checks
critical
132741Slackware 14.2 : Slackware 14.2 kernel (SSA:2020-008-01)NessusSlackware Local Security Checks
medium
132692Ubuntu 16.04 LTS : linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon (USN-4228-1)NessusUbuntu Local Security Checks
critical
132691Ubuntu 16.04 LTS / 18.04 LTS : linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, (USN-4227-1)NessusUbuntu Local Security Checks
critical
132690Ubuntu 18.04 LTS / 19.04 : linux, linux-aws, linux-aws-5.0, linux-azure, linux-gcp, linux-gke-5.0, (USN-4226-1)NessusUbuntu Local Security Checks
critical
132689Ubuntu 18.04 LTS / 19.10 : linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, (USN-4225-1)NessusUbuntu Local Security Checks
critical
132605EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1012)NessusHuawei Local Security Checks
critical
132394SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:3381-1)NessusSuSE Local Security Checks
critical
132390SUSE SLES12 Security Update : kernel (SUSE-SU-2019:3379-1)NessusSuSE Local Security Checks
high
132389SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2019:3371-1)NessusSuSE Local Security Checks
high
132237SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:3317-1)NessusSuSE Local Security Checks
critical
132236SUSE SLES12 Security Update : kernel (SUSE-SU-2019:3316-1)NessusSuSE Local Security Checks
critical
132032openSUSE Security Update : the Linux Kernel (openSUSE-2019-2675)NessusSuSE Local Security Checks
critical
131833SUSE SLES12 Security Update : kernel (SUSE-SU-2019:3200-1)NessusSuSE Local Security Checks
high
131787Fedora 30 : kernel (2019-124a241044)NessusFedora Local Security Checks
low
131742Fedora 31 : kernel (2019-b86a7bdba0)NessusFedora Local Security Checks
low