CVE-2019-15030

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via a Facility Unavailable exception. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process because of a missing arch/powerpc/kernel/process.c check.

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html

http://www.openwall.com/lists/oss-security/2019/09/10/3

https://access.redhat.com/errata/RHSA-2020:0740

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8205d5d98ef7f155de211f5e2eb6ca03d95a5a60

https://security.netapp.com/advisory/ntap-20191004-0001/

https://usn.ubuntu.com/4135-1/

https://usn.ubuntu.com/4135-2/

Details

Source: MITRE

Published: 2019-09-13

Updated: 2020-08-24

Type: CWE-862

Risk Information

CVSS v2

Base Score: 3.6

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

Impact Score: 4.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 4.4

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

Impact Score: 2.5

Exploitability Score: 1.8

Severity: MEDIUM

Tenable Plugins

View all (17 total)

IDNameProductFamilySeverity
145985CentOS 8 : kernel (CESA-2020:1372)NessusCentOS Local Security Checks
medium
139381RHEL 8 : kernel (RHSA-2020:1372)NessusRed Hat Local Security Checks
medium
135378Oracle Linux 8 : kernel (ELSA-2020-1372)NessusOracle Linux Local Security Checks
medium
134486EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2020-1197)NessusHuawei Local Security Checks
critical
134361RHEL 7 : kernel-alt (RHSA-2020:0740)NessusRed Hat Local Security Checks
high
132925SUSE SLES12 Security Update : kernel (SUSE-SU-2020:0093-1)NessusSuSE Local Security Checks
critical
131833SUSE SLES12 Security Update : kernel (SUSE-SU-2019:3200-1)NessusSuSE Local Security Checks
high
131474EulerOS Virtualization for ARM 64 3.0.3.0 : kernel (EulerOS-SA-2019-2309)NessusHuawei Local Security Checks
critical
130163SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:2738-1)NessusSuSE Local Security Checks
critical
129845SUSE SLES12 Security Update : kernel (SUSE-SU-2019:2648-1)NessusSuSE Local Security Checks
critical
129440EulerOS 2.0 SP8 : kernel (EulerOS-SA-2019-2081)NessusHuawei Local Security Checks
critical
129345openSUSE Security Update : the Linux Kernel (openSUSE-2019-2181)NessusSuSE Local Security Checks
critical
129339openSUSE Security Update : the Linux Kernel (openSUSE-2019-2173)NessusSuSE Local Security Checks
critical
129157SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:2424-1)NessusSuSE Local Security Checks
critical
129156SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:2414-1)NessusSuSE Local Security Checks
critical
129154SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2019:2412-1)NessusSuSE Local Security Checks
critical
129049Ubuntu 16.04 LTS / 18.04 LTS / 19.04 : Linux kernel vulnerabilities (USN-4135-1)NessusUbuntu Local Security Checks
high