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CVE-2020-15437

Description

The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.

Risk Information

Base Score
4.4
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.043

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-4.12.14-16.38.1.x86_64.rpmLinux
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-4.12.14-16.38.1.x86_64.rpmLinux
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-debuginfo-4.12.14-16.38.1.x86_64.rpmLinux
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debuginfo-4.12.14-16.38.1.x86_64.rpmLinux
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debugsource-4.12.14-16.38.1.x86_64.rpmLinux
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-devel-4.12.14-16.38.1.x86_64.rpmLinux
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-azure-4.12.14-16.38.1.noarch.rpmLinux
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-azure-4.12.14-16.38.1.noarch.rpmLinux
SUSE-SU-2020:3715-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-azure-4.12.14-16.38.1.x86_64.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-4.12.14-122.54.1.x86_64.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-4.12.14-122.54.1.x86_64.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-debuginfo-4.12.14-122.54.1.x86_64.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debuginfo-4.12.14-122.54.1.x86_64.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debugsource-4.12.14-122.54.1.x86_64.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-4.12.14-122.54.1.x86_64.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-debuginfo-4.12.14-122.54.1.x86_64.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-4.12.14-122.54.1.noarch.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-macros-4.12.14-122.54.1.noarch.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-4.12.14-122.54.1.noarch.rpmLinux
SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-4.12.14-122.54.1.x86_64.rpmLinux
Kernel-uek update (ELSA-2021-9005) kernel-uek-4.14.35-2025.404.1.1.el7uek.x86_64.rpmLinux
Kernel-uek-debug update (ELSA-2021-9005) kernel-uek-debug-4.14.35-2025.404.1.1.el7uek.x86_64.rpmLinux
Kernel-uek-debug-devel update (ELSA-2021-9005) kernel-uek-debug-devel-4.14.35-2025.404.1.1.el7uek.x86_64.rpmLinux
Kernel-uek-devel update (ELSA-2021-9005) kernel-uek-devel-4.14.35-2025.404.1.1.el7uek.x86_64.rpmLinux
Kernel-uek-doc update (ELSA-2021-9005) kernel-uek-doc-4.14.35-2025.404.1.1.el7uek.noarch.rpmLinux
Kernel-uek-tools update (ELSA-2021-9005) kernel-uek-tools-4.14.35-2025.404.1.1.el7uek.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update bpftool-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-abi-stablelists-4.18.0-305.el8.noarch.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-core-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-cross-headers-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-debug-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-debug-core-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-debug-devel-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-debug-modules-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-debug-modules-extra-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-devel-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-doc-4.18.0-305.el8.noarch.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-headers-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-modules-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-modules-extra-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-tools-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update kernel-tools-libs-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update perf-4.18.0-305.el8.x86_64.rpmLinux
(RHSA-2021:1578) kernel security, bug fix, and enhancement update python3-perf-4.18.0-305.el8.x86_64.rpmLinux
Linux kernel for OEM systems (USN-4752-1) linux-image-5.6.0-1048-oem_5.6.0-1048.52_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234