CVE-2018-20836HIGH
Description
An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.
References
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
http://www.securityfocus.com/bid/108196
https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae
https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
https://seclists.org/bugtraq/2019/Aug/13
https://seclists.org/bugtraq/2019/Aug/18
https://security.netapp.com/advisory/ntap-20190719-0003/
https://support.f5.com/csp/article/K11225249
https://usn.ubuntu.com/4076-1/
Details
Source: MITRE
Published: 2019-05-07
Updated: 2019-05-08
Type: CWE-362
Risk Information
CVSS v2.0
Base Score: 9.3
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8.6
Severity: HIGH
CVSS v3.0
Base Score: 8.1
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.2
Severity: HIGH
Vulnerable Software
Configuration 1
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 144754 | RHEL 7 : kernel (RHSA-2021:0019) | Nessus | Red Hat Local Security Checks | high |
| 144554 | RHEL 7 : kernel (RHSA-2020:5656) | Nessus | Red Hat Local Security Checks | high |
| 141727 | Scientific Linux Security Update : kernel on SL7.x x86_64 (20201001) | Nessus | Scientific Linux Local Security Checks | high |
| 141619 | CentOS 7 : kernel (CESA-2020:4060) | Nessus | CentOS Local Security Checks | high |
| 141057 | RHEL 7 : kernel (RHSA-2020:4060) | Nessus | Red Hat Local Security Checks | high |
| 141026 | RHEL 7 : kernel-rt (RHSA-2020:4062) | Nessus | Red Hat Local Security Checks | high |
| 136166 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1142-1) | Nessus | SuSE Local Security Checks | high |
| 136025 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1118-1) | Nessus | SuSE Local Security Checks | high |
| 134387 | EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1186) | Nessus | Huawei Local Security Checks | critical |
| 132499 | NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel-rt Multiple Vulnerabilities (NS-SA-2019-0266) | Nessus | NewStart CGSL Local Security Checks | high |
| 132490 | NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2019-0264) | Nessus | NewStart CGSL Local Security Checks | high |
| 129284 | SUSE SLED15 / SLES15 Security Update : kernel-source-rt (SUSE-SU-2019:2430-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (SACK Panic) (SACK Slowness) (Spectre) | Nessus | SuSE Local Security Checks | high |
| 127921 | Debian DLA-1885-1 : linux-4.9 security update | Nessus | Debian Local Security Checks | high |
| 127867 | Debian DSA-4497-1 : linux - security update | Nessus | Debian Local Security Checks | high |
| 127866 | Debian DLA-1884-1 : linux security update | Nessus | Debian Local Security Checks | high |
| 127491 | Debian DSA-4495-1 : linux - security update | Nessus | Debian Local Security Checks | high |
| 127097 | Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4076-1) | Nessus | Ubuntu Local Security Checks | high |
| 126897 | openSUSE Security Update : the Linux Kernel (openSUSE-2019-1757) | Nessus | SuSE Local Security Checks | high |
| 126884 | openSUSE Security Update : the Linux Kernel (openSUSE-2019-1716) | Nessus | SuSE Local Security Checks | high |
| 126811 | SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1870-1) (SACK Slowness) | Nessus | SuSE Local Security Checks | high |
| 126744 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:1855-1) (SACK Slowness) | Nessus | SuSE Local Security Checks | high |
| 126743 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:1854-1) | Nessus | SuSE Local Security Checks | high |
| 126742 | SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1852-1) | Nessus | SuSE Local Security Checks | high |
| 126741 | SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2019:1851-1) (SACK Slowness) | Nessus | SuSE Local Security Checks | high |
| 126691 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:1829-1) | Nessus | SuSE Local Security Checks | high |
| 126688 | SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1823-1) | Nessus | SuSE Local Security Checks | high |
| 126299 | EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-1672) | Nessus | Huawei Local Security Checks | high |
| 126266 | EulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-1639) | Nessus | Huawei Local Security Checks | high |
| 126121 | Photon OS 1.0: Linux PHSA-2019-1.0-0236 | Nessus | PhotonOS Local Security Checks | high |
| 126031 | Slackware 14.2 / current : kernel (SSA:2019-169-01) (SACK Panic) (SACK Slowness) | Nessus | Slackware Local Security Checks | high |
| 125964 | Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2019-4685) (SACK Panic) (SACK Slowness) | Nessus | Oracle Linux Local Security Checks | high |
| 125755 | Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4670) | Nessus | Oracle Linux Local Security Checks | high |
| 125754 | OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0024) | Nessus | OracleVM Local Security Checks | high |
| 125587 | EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2019-1635) | Nessus | Huawei Local Security Checks | high |
| 125564 | EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1612) | Nessus | Huawei Local Security Checks | high |