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CVE-2019-20934

Description

An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.

Risk Information

Base Score
5.3
MODERATE
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
EPSS Score
Exploitation Probability
0.039

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-debuginfo-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debuginfo-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debugsource-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-debuginfo-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-4.12.14-122.57.1.noarch.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-macros-4.12.14-122.57.1.noarch.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-4.12.14-122.57.1.noarch.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-4.12.14-122.57.1.x86_64.rpmLinux
Kernel-uek update (ELSA-2021-9002) kernel-uek-4.1.12-124.46.3.el6uek.x86_64.rpmLinux
Kernel-uek-debug update (ELSA-2021-9002) kernel-uek-debug-4.1.12-124.46.3.el6uek.x86_64.rpmLinux
Kernel-uek-debug-devel update (ELSA-2021-9002) kernel-uek-debug-devel-4.1.12-124.46.3.el6uek.x86_64.rpmLinux
Kernel-uek-devel update (ELSA-2021-9002) kernel-uek-devel-4.1.12-124.46.3.el6uek.x86_64.rpmLinux
Kernel-uek-doc update (ELSA-2021-9002) kernel-uek-doc-4.1.12-124.46.3.el6uek.noarch.rpmLinux
Kernel-uek-firmware update (ELSA-2021-9002) kernel-uek-firmware-4.1.12-124.46.3.el6uek.noarch.rpmLinux
Kernel-uek update (ELSA-2021-9002) kernel-uek-4.1.12-124.46.3.el7uek.x86_64.rpmLinux
Kernel-uek-debug update (ELSA-2021-9002) kernel-uek-debug-4.1.12-124.46.3.el7uek.x86_64.rpmLinux
Kernel-uek-debug-devel update (ELSA-2021-9002) kernel-uek-debug-devel-4.1.12-124.46.3.el7uek.x86_64.rpmLinux
Kernel-uek-devel update (ELSA-2021-9002) kernel-uek-devel-4.1.12-124.46.3.el7uek.x86_64.rpmLinux
Kernel-uek-doc update (ELSA-2021-9002) kernel-uek-doc-4.1.12-124.46.3.el7uek.noarch.rpmLinux
Kernel-uek-firmware update (ELSA-2021-9002) kernel-uek-firmware-4.1.12-124.46.3.el7uek.noarch.rpmLinux
Bpftool update (ELSA-2021-2725) bpftool-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Kernel update (ELSA-2021-2725) kernel-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Kernel-abi-whitelists update (ELSA-2021-2725) kernel-abi-whitelists-3.10.0-1160.36.2.el7.noarch.rpmLinux
Kernel-debug update (ELSA-2021-2725) kernel-debug-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Kernel-debug-devel update (ELSA-2021-2725) kernel-debug-devel-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Kernel-devel update (ELSA-2021-2725) kernel-devel-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Kernel-doc update (ELSA-2021-2725) kernel-doc-3.10.0-1160.36.2.el7.noarch.rpmLinux
Kernel-headers update (ELSA-2021-2725) kernel-headers-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Kernel-tools update (ELSA-2021-2725) kernel-tools-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Kernel-tools-libs update (ELSA-2021-2725) kernel-tools-libs-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Kernel-tools-libs-devel update (ELSA-2021-2725) kernel-tools-libs-devel-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Perf update (ELSA-2021-2725) perf-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Python-perf update (ELSA-2021-2725) python-perf-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update bpftool-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-abi-whitelists-3.10.0-1160.36.2.el7.noarch.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-debug-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-debug-devel-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-devel-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-doc-3.10.0-1160.36.2.el7.noarch.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-headers-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-tools-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-tools-libs-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update kernel-tools-libs-devel-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update perf-3.10.0-1160.36.2.el7.x86_64.rpmLinux
(RHSA-2021:2725) kernel security and bug fix update python-perf-3.10.0-1160.36.2.el7.x86_64.rpmLinux
Use After Free Vulnerability (CVE-2019-20934)NCM

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