CVE-2021-31829
Description
kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can contain uninitialized data that might represent sensitive information previously operated on by the kernel.
Risk Information
Base Score
5.5
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.081
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Linux kernel for OEM systems (USN-4983-1) linux-image-oem-20.04_5.10.0.1029.30_amd64.deb | Linux |
| Linux kernel for OEM systems (USN-4983-1) linux-image-oem-20.04b_5.10.0.1029.30_amd64.deb | Linux |
| Linux kernel for OEM systems (USN-4983-1) linux-image-5.10.0-1029-oem_5.10.0-1029.30_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-aws_5.11.0.1011.11_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-gcp_5.11.0.1011.11_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-gke_5.11.0.1011.11_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-azure_5.11.0.1009.9_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-oracle_5.11.0.1010.10_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-generic_5.11.0.22.23_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-virtual_5.11.0.22.23_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-lowlatency_5.11.0.22.23_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-5.11.0-1011-aws_5.11.0-1011.11_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-5.11.0-1011-gcp_5.11.0-1011.12_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-5.11.0-1009-azure_5.11.0-1009.9_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-5.11.0-22-generic_5.11.0-22.23_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-5.11.0-1010-oracle_5.11.0-1010.10_amd64.deb | Linux |
| Linux kernel (USN-4997-1) linux-image-5.11.0-22-lowlatency_5.11.0-22.23_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-aws_5.8.0.1038.40_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-aws_5.8.0.1038.40~20.04.11_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-gcp_5.8.0.1035.35_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-gcp_5.8.0.1035.37~20.04.9_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-gke_5.8.0.1035.35_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-kvm_5.8.0.1030.32_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-azure_5.8.0.1036.36_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-azure_5.8.0.1036.38~20.04.8_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-oracle_5.8.0.1033.32_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-oracle_5.8.0.1033.34~20.04.9_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-generic_5.8.0.59.64_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-virtual_5.8.0.59.64_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-lowlatency_5.8.0.59.64_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1030-kvm_5.8.0-1030.32_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1035-gcp_5.8.0-1035.37_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1035-gcp_5.8.0-1035.37~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1038-aws_5.8.0-1038.40_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1038-aws_5.8.0-1038.40~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1036-azure_5.8.0-1036.38_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1036-azure_5.8.0-1036.38~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-59-generic_5.8.0-59.66_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-59-generic_5.8.0-59.66~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1033-oracle_5.8.0-1033.34_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-1033-oracle_5.8.0-1033.34~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-generic-hwe-20.04_5.8.0.59.66~20.04.42_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-virtual-hwe-20.04_5.8.0.59.66~20.04.42_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-59-lowlatency_5.8.0-59.66_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-5.8.0-59-lowlatency_5.8.0-59.66~20.04.1_amd64.deb | Linux |
| Linux kernel (USN-4999-1) linux-image-lowlatency-hwe-20.04_5.8.0.59.66~20.04.42_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-aws_5.4.0.1051.33_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-gcp_5.4.0.1046.33_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-gke_5.4.0.1046.55_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-oem_5.4.0.77.80_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-oem_5.4.0.77.86~18.04.69_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-azure_5.4.0.1051.30_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-gkeop_5.4.0.1018.21_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-oracle_5.4.0.1048.52~18.04.30_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-generic_5.4.0.77.80_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-gke-5.4_5.4.0.1046.55_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-gke-5.4_5.4.0.1046.48~18.04.12_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-virtual_5.4.0.77.80_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-oem-osp1_5.4.0.77.80_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-oem-osp1_5.4.0.77.86~18.04.69_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-gkeop-5.4_5.4.0.1018.21_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-gkeop-5.4_5.4.0.1018.19~18.04.19_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-lowlatency_5.4.0.77.80_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-aws-lts-20.04_5.4.0.1051.53_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-gcp-lts-20.04_5.4.0.1046.55_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1046-gcp_5.4.0-1046.49_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1046-gcp_5.4.0-1046.49~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1046-gke_5.4.0-1046.48_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1046-gke_5.4.0-1046.48~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1051-aws_5.4.0-1051.53_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1051-aws_5.4.0-1051.53~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-azure-lts-20.04_5.4.0.1051.49_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1018-gkeop_5.4.0-1018.19_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1018-gkeop_5.4.0-1018.19~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1051-azure_5.4.0-1051.53_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1051-azure_5.4.0-1051.53~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-77-generic_5.4.0-77.86_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-77-generic_5.4.0-77.86~18.04.1_i386.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-77-generic_5.4.0-77.86~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-oracle-lts-20.04_5.4.0.1048.48_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1048-oracle_5.4.0-1048.52_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-1048-oracle_5.4.0-1048.52~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-generic-hwe-18.04_5.4.0.77.86~18.04.69_i386.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-generic-hwe-18.04_5.4.0.77.86~18.04.69_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-virtual-hwe-18.04_5.4.0.77.86~18.04.69_i386.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-virtual-hwe-18.04_5.4.0.77.86~18.04.69_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-77-lowlatency_5.4.0-77.86_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-77-lowlatency_5.4.0-77.86~18.04.1_i386.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-5.4.0-77-lowlatency_5.4.0-77.86~18.04.1_amd64.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-lowlatency-hwe-18.04_5.4.0.77.86~18.04.69_i386.deb | Linux |
| Linux kernel (USN-5000-1) linux-image-lowlatency-hwe-18.04_5.4.0.77.86~18.04.69_amd64.deb | Linux |
| Linux kernel for cloud environments (USN-4997-2) linux-image-kvm_5.11.0.1009.9_amd64.deb | Linux |
| Linux kernel for cloud environments (USN-4997-2) linux-image-5.11.0-1009-kvm_5.11.0-1009.9_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-kvm_4.15.0.1097.93_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-generic_4.15.0.151.139_i386.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-generic_4.15.0.151.139_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-virtual_4.15.0.151.139_i386.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-virtual_4.15.0.151.139_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-lowlatency_4.15.0.151.139_i386.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-lowlatency_4.15.0.151.139_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-aws-lts-18.04_4.15.0.1109.112_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-gcp-lts-18.04_4.15.0.1106.125_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-1097-kvm_4.15.0-1097.99_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-1106-gcp_4.15.0-1106.120_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-1109-aws_4.15.0-1109.116_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-azure-lts-18.04_4.15.0.1121.94_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-oracle-lts-18.04_4.15.0.1078.88_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-1121-azure_4.15.0-1121.134_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-1078-oracle_4.15.0-1078.86_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-151-generic_4.15.0-151.157_i386.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-151-generic_4.15.0-151.157_amd64.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-151-lowlatency_4.15.0-151.157_i386.deb | Linux |
| Linux kernel (USN-5018-1) linux-image-4.15.0-151-lowlatency_4.15.0-151.157_amd64.deb | Linux |
| Kernel-uek update (ELSA-2021-9362) kernel-uek-5.4.17-2102.203.5.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug update (ELSA-2021-9362) kernel-uek-debug-5.4.17-2102.203.5.el8uek.x86_64.rpm | Linux |
| Kernel-uek-debug-devel update (ELSA-2021-9362) kernel-uek-debug-devel-5.4.17-2102.203.5.el8uek.x86_64.rpm | Linux |
| Kernel-uek-devel update (ELSA-2021-9362) kernel-uek-devel-5.4.17-2102.203.5.el8uek.x86_64.rpm | Linux |
| Kernel-uek-doc update (ELSA-2021-9362) kernel-uek-doc-5.4.17-2102.203.5.el8uek.noarch.rpm | Linux |
| Kernel-uek-container update (ELSA-2021-9363) kernel-uek-container-5.4.17-2102.203.5.el8.x86_64.rpm | Linux |
| Kernel-uek-container-debug update (ELSA-2021-9363) kernel-uek-container-debug-5.4.17-2102.203.5.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update bpftool-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-abi-stablelists-4.18.0-348.el8.noarch.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-core-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-cross-headers-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-debug-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-debug-core-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-debug-devel-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-debug-modules-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-debug-modules-extra-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-devel-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-doc-4.18.0-348.el8.noarch.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-headers-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-modules-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-modules-extra-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-tools-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update kernel-tools-libs-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update perf-4.18.0-348.el8.x86_64.rpm | Linux |
| (RHSA-2021:4356) kernel security, bug fix, and enhancement update python3-perf-4.18.0-348.el8.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 |
| kernel Security Update (ALAS-2021-1636) kernel-livepatch-4.14.232-176.381-1.0-0.amzn2.x86_64.rpm | 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