CVE-2018-20976

high
New! CVE Severity Now Using CVSS v3

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Description

An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.

References

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

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

http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82

https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html

https://security.netapp.com/advisory/ntap-20190905-0002/

https://support.f5.com/csp/article/K10269585?utm_source=f5support&utm_medium=RSS

https://usn.ubuntu.com/4144-1/

https://usn.ubuntu.com/4145-1/

Details

Source: MITRE

Published: 2019-08-19

Updated: 2019-09-06

Type: CWE-416

Risk Information

CVSS v2

Base Score: 4.6

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

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Vulnerable Software

Configuration 1

OR

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

Tenable Plugins

View all (29 total)

IDNameProductFamilySeverity
150533SUSE SLES11 Security Update : kernel (SUSE-SU-2019:14218-1)NessusSuSE Local Security Checks
critical
134735EulerOS Virtualization 3.0.2.2 : kernel (EulerOS-SA-2020-1269)NessusHuawei Local Security Checks
critical
134260RHEL 7 : kernel (RHSA-2020:0661)NessusRed Hat Local Security Checks
high
134240Debian DLA-2114-1 : linux-4.9 security updateNessusDebian Local Security Checks
critical
134192RHEL 6 : kernel-rt (RHSA-2020:0609)NessusRed Hat Local Security Checks
critical
134064RHEL 7 : kernel (RHSA-2020:0592)NessusRed Hat Local Security Checks
critical
133786RHEL 7 : kernel (RHSA-2020:0543)NessusRed Hat Local Security Checks
high
133765Virtuozzo 7 : readykernel-patch (VZA-2020-013)NessusVirtuozzo Local Security Checks
high
133163RHEL 7 : kernel (RHSA-2020:0178)NessusRed Hat Local Security Checks
high
132539Photon OS 2.0: Linux PHSA-2019-2.0-0189NessusPhotonOS Local Security Checks
critical
132499NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel-rt Multiple Vulnerabilities (NS-SA-2019-0266)NessusNewStart CGSL Local Security Checks
high
132490NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2019-0264)NessusNewStart CGSL Local Security Checks
high
131845EulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-2353)NessusHuawei Local Security Checks
critical
131120SUSE SLES12 Security Update : kernel (SUSE-SU-2019:2984-1)NessusSuSE Local Security Checks
critical
130950SUSE SLES12 Security Update : kernel (SUSE-SU-2019:2950-1) (SACK Panic)NessusSuSE Local Security Checks
critical
130949SUSE SLES12 Security Update : kernel (SUSE-SU-2019:2949-1)NessusSuSE Local Security Checks
critical
130751Slackware 14.2 : Slackware 14.2 kernel (SSA:2019-311-01)NessusSlackware Local Security Checks
critical
130736EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-2274)NessusHuawei Local Security Checks
critical
130663EulerOS 2.0 SP5 : kernel (EulerOS-SA-2019-2201)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
129491Ubuntu 16.04 LTS : linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities (USN-4145-1)NessusUbuntu Local Security Checks
critical
129490Ubuntu 16.04 LTS / 18.04 LTS : linux, linux-aws, linux-aws-hwe, linux-azure, linux-hwe, linux-kvm, (USN-4144-1)NessusUbuntu Local Security Checks
high
129361Debian DLA-1930-1 : linux security updateNessusDebian 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