CVE-2020-26541
Description
The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.
Risk Information
Base Score
6.5
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.113
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Kernel-uek update (ELSA-2020-5914) kernel-uek-5.4.17-2036.100.6.1.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2020-5914) kernel-uek-debug-5.4.17-2036.100.6.1.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2020-5914) kernel-uek-debug-devel-5.4.17-2036.100.6.1.el8uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2020-5914) kernel-uek-devel-5.4.17-2036.100.6.1.el8uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2020-5914) kernel-uek-doc-5.4.17-2036.100.6.1.el8uek.noarch.rpm | Linux |
| Dtrace-modules-3.8.13-118.51.2.el6uek update (ELSA-2020-5956) dtrace-modules-3.8.13-118.51.2.el6uek-0.4.5-3.el6.x86_64.rpm | Linux |
| Dtrace-modules-3.8.13-118.51.2.el7uek update (ELSA-2020-5956) dtrace-modules-3.8.13-118.51.2.el7uek-0.4.5-3.el7.x86_64.rpm | Linux |
| Kernel-uek-container update (ELSA-2021-9038) kernel-uek-container-5.4.17-2036.103.3.el8.x86_64.rpm | Linux |
| Kernel-uek-container-debug update (ELSA-2021-9038) kernel-uek-container-debug-5.4.17-2036.103.3.el8.x86_64.rpm | Linux |
| Kernel-uek update (ELSA-2021-9140) kernel-uek-5.4.17-2102.200.13.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9140) kernel-uek-debug-5.4.17-2102.200.13.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9140) kernel-uek-debug-devel-5.4.17-2102.200.13.el8uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9140) kernel-uek-devel-5.4.17-2102.200.13.el8uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9140) kernel-uek-doc-5.4.17-2102.200.13.el8uek.noarch.rpm | Linux |
| Kernel-uek-container update (ELSA-2021-9141) kernel-uek-container-5.4.17-2102.200.13.el8.x86_64.rpm | Linux |
| Kernel-uek-container-debug update (ELSA-2021-9141) kernel-uek-container-debug-5.4.17-2102.200.13.el8.x86_64.rpm | Linux |
| Bpftool update (ELSA-2021-2570) bpftool-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel update (ELSA-2021-2570) kernel-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-abi-stablelists update (ELSA-2021-2570) kernel-abi-stablelists-4.18.0-305.7.1.el8_4.noarch.rpm | Linux |
| Kernel-core update (ELSA-2021-2570) kernel-core-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-cross-headers update (ELSA-2021-2570) kernel-cross-headers-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-debug update (ELSA-2021-2570) kernel-debug-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-debug-core update (ELSA-2021-2570) kernel-debug-core-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-debug-devel update (ELSA-2021-2570) kernel-debug-devel-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-debug-modules update (ELSA-2021-2570) kernel-debug-modules-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-debug-modules-extra update (ELSA-2021-2570) kernel-debug-modules-extra-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-devel update (ELSA-2021-2570) kernel-devel-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-doc update (ELSA-2021-2570) kernel-doc-4.18.0-305.7.1.el8_4.noarch.rpm | Linux |
| Kernel-headers update (ELSA-2021-2570) kernel-headers-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-modules update (ELSA-2021-2570) kernel-modules-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-modules-extra update (ELSA-2021-2570) kernel-modules-extra-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-tools update (ELSA-2021-2570) kernel-tools-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-tools-libs update (ELSA-2021-2570) kernel-tools-libs-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Kernel-tools-libs-devel update (ELSA-2021-2570) kernel-tools-libs-devel-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Perf update (ELSA-2021-2570) perf-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Python3-perf update (ELSA-2021-2570) python3-perf-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update bpftool-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-abi-stablelists-4.18.0-305.7.1.el8_4.noarch.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-core-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-cross-headers-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-debug-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-debug-core-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-debug-devel-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-debug-modules-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-debug-modules-extra-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-devel-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-doc-4.18.0-305.7.1.el8_4.noarch.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-headers-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-modules-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-modules-extra-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-tools-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update kernel-tools-libs-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update perf-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2570) kernel security and bug fix update python3-perf-4.18.0-305.7.1.el8_4.x86_64.rpm | Linux |
| Linux kernel (USN-5070-1) linux-image-aws_5.11.0.1017.18_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-aws_5.11.0.1017.18~20.04.16_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-gcp_5.11.0.1018.18_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-gke_5.11.0.1018.18_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-kvm_5.11.0.1015.16_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-azure_5.11.0.1015.16_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-oracle_5.11.0.1017.18_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-oracle_5.11.0.1017.18~20.04.10_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-generic_5.11.0.34.36_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-virtual_5.11.0.34.36_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-oem-20.04_5.11.0.34.36_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-lowlatency_5.11.0.34.36_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-1015-kvm_5.11.0-1015.16_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-1017-aws_5.11.0-1017.18_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-1017-aws_5.11.0-1017.18~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-1018-gcp_5.11.0-1018.20_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-1015-azure_5.11.0-1015.16_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-1015-azure_5.11.0-1015.16~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-34-generic_5.11.0-34.36_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-34-generic_5.11.0-34.36~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-generic-hwe-20.04_5.11.0.34.36~20.04.13_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-virtual-hwe-20.04_5.11.0.34.36~20.04.13_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-1017-oracle_5.11.0-1017.18_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-1017-oracle_5.11.0-1017.18~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-34-lowlatency_5.11.0-34.36_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-5.11.0-34-lowlatency_5.11.0-34.36~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-5070-1) linux-image-lowlatency-hwe-20.04_5.11.0.34.36~20.04.13_amd64.deb | Linux |
| Linux kernel for OEM systems (USN-5106-1) linux-image-oem-20.04_5.10.0.1049.51_amd64.deb | Linux |
| Linux kernel for OEM systems (USN-5106-1) linux-image-oem-20.04b_5.10.0.1049.51_amd64.deb | Linux |
| Linux kernel for OEM systems (USN-5106-1) linux-image-5.10.0-1049-oem_5.10.0-1049.51_amd64.deb | Linux |
| Linux kernel for Microsoft Azure cloud systems (USN-5120-1) linux-image-azure_5.8.0.1043.46~20.04.15_amd64.deb | Linux |
| Linux kernel for Microsoft Azure cloud systems (USN-5120-1) linux-image-5.8.0-1043-azure_5.8.0-1043.46~20.04.1_amd64.deb | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-4.12.14-16.103.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-4.12.14-16.103.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-debuginfo-4.12.14-16.103.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debuginfo-4.12.14-16.103.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debugsource-4.12.14-16.103.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-devel-4.12.14-16.103.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-azure-4.12.14-16.103.1.noarch.rpm | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-azure-4.12.14-16.103.1.noarch.rpm | Linux |
| SUSE-SU-2022:2377-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-azure-4.12.14-16.103.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-4.12.14-122.127.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-4.12.14-122.127.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-debuginfo-4.12.14-122.127.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debuginfo-4.12.14-122.127.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debugsource-4.12.14-122.127.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-4.12.14-122.127.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-debuginfo-4.12.14-122.127.1.x86_64.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-4.12.14-122.127.1.noarch.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-macros-4.12.14-122.127.1.noarch.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-4.12.14-122.127.1.noarch.rpm | Linux |
| SUSE-SU-2022:2382-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-4.12.14-122.127.1.x86_64.rpm | Linux |
| Kernel-uek-container update (ELSA-2022-9999) kernel-uek-container-5.4.17-2136.313.6.el8.x86_64.rpm | Linux |
| Kernel-uek-container-debug update (ELSA-2022-9999) kernel-uek-container-debug-5.4.17-2136.313.6.el8.x86_64.rpm | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1010-ibm_5.4.0-1010.11_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1051-kvm_5.4.0-1051.53_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1057-gke_5.4.0-1057.60_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1057-gke_5.4.0-1057.60~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1059-gcp_5.4.0-1059.63_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1059-gcp_5.4.0-1059.63~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1029-gkeop_5.4.0-1029.30_amd64.deb | Linux |
| raspi (USN-5210-1) linux-image-5.4.0-1029-gkeop_5.4.0-1029.30~18.04.2_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1065-azure_5.4.0-1065.68_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1065-azure_5.4.0-1065.68~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103~18.04.2_i386.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103~18.04.2_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1059-oracle_5.4.0-1059.63_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-1059-oracle_5.4.0-1059.63~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103_amd64.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103~18.04.2_i386.deb | Linux |
| Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103~18.04.2_amd64.deb | Linux |
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