CVE-2020-15436
Description
Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.
Risk Information
Base Score
6.7
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.151
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-4.12.14-122.54.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-4.12.14-122.54.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-debuginfo-4.12.14-122.54.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debuginfo-4.12.14-122.54.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debugsource-4.12.14-122.54.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-4.12.14-122.54.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-debuginfo-4.12.14-122.54.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-4.12.14-122.54.1.noarch.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-macros-4.12.14-122.54.1.noarch.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-4.12.14-122.54.1.noarch.rpm | Linux |
| SUSE-SU-2020:3717-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-4.12.14-122.54.1.x86_64.rpm | Linux |
| Bpftool update (ELSA-2021-0336) bpftool-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel update (ELSA-2021-0336) kernel-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel-abi-whitelists update (ELSA-2021-0336) kernel-abi-whitelists-3.10.0-1160.15.2.el7.noarch.rpm | Linux |
| Kernel-debug update (ELSA-2021-0336) kernel-debug-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel-debug-devel update (ELSA-2021-0336) kernel-debug-devel-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel-devel update (ELSA-2021-0336) kernel-devel-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel-doc update (ELSA-2021-0336) kernel-doc-3.10.0-1160.15.2.el7.noarch.rpm | Linux |
| Kernel-headers update (ELSA-2021-0336) kernel-headers-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel-tools update (ELSA-2021-0336) kernel-tools-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel-tools-libs update (ELSA-2021-0336) kernel-tools-libs-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel-tools-libs-devel update (ELSA-2021-0336) kernel-tools-libs-devel-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Perf update (ELSA-2021-0336) perf-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Python-perf update (ELSA-2021-0336) python-perf-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Kernel-uek update (ELSA-2021-9002) kernel-uek-4.1.12-124.46.3.el6uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9002) kernel-uek-debug-4.1.12-124.46.3.el6uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9002) kernel-uek-debug-devel-4.1.12-124.46.3.el6uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9002) kernel-uek-devel-4.1.12-124.46.3.el6uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9002) kernel-uek-doc-4.1.12-124.46.3.el6uek.noarch.rpm | Linux |
| Kernel-uek-firmware update (ELSA-2021-9002) kernel-uek-firmware-4.1.12-124.46.3.el6uek.noarch.rpm | Linux |
| Kernel-uek update (ELSA-2021-9002) kernel-uek-4.1.12-124.46.3.el7uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9002) kernel-uek-debug-4.1.12-124.46.3.el7uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9002) kernel-uek-debug-devel-4.1.12-124.46.3.el7uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9002) kernel-uek-devel-4.1.12-124.46.3.el7uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9002) kernel-uek-doc-4.1.12-124.46.3.el7uek.noarch.rpm | Linux |
| Kernel-uek-firmware update (ELSA-2021-9002) kernel-uek-firmware-4.1.12-124.46.3.el7uek.noarch.rpm | Linux |
| Kernel-uek update (ELSA-2021-9005) kernel-uek-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9005) kernel-uek-debug-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9005) kernel-uek-debug-devel-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9005) kernel-uek-devel-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9005) kernel-uek-doc-4.14.35-2025.404.1.1.el7uek.noarch.rpm | Linux |
| Kernel-uek-tools update (ELSA-2021-9005) kernel-uek-tools-4.14.35-2025.404.1.1.el7uek.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update bpftool-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-abi-whitelists-3.10.0-1160.15.2.el7.noarch.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-debug-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-debug-devel-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-devel-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-doc-3.10.0-1160.15.2.el7.noarch.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-headers-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-tools-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-tools-libs-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update kernel-tools-libs-devel-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update perf-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| (RHSA-2021:0336) kernel security, bug fix, and enhancement update python-perf-3.10.0-1160.15.2.el7.x86_64.rpm | Linux |
| Linux kernel for OEM systems (USN-4752-1) linux-image-5.6.0-1048-oem_5.6.0-1048.52_amd64.deb | Linux |
| Use After Free Vulnerability (CVE-2020-15436) | NCM |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234