Vulnerability · Published Mar 27, 2023 · Assigned by redhat
CVE-2023-1637
Medium 5.5
In plain English
A medium-severity security flaw in Kernel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 87.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw that boot CPU could be vulnerable for the speculative execution behavior kind of attacks in the Linux kernel X86 CPU Power management options functionality was found in the way user resuming CPU from suspend-to-RAM. A local user could use this flaw to potentially get unauthorized access to some memory of the CPU similar to the speculative execution behavior kind of attacks.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | bpftool | 7.0.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-debug | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-debug-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-debug-devel | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-debug-devel-matched | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-debug-modules | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-debug-modules-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-debug-modules-extra | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-devel | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-devel-matched | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-modules | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-modules-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-64k-modules-extra | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-debug | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-debug-modules-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-debug-uki-virt | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-devel | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-modules | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-modules-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-rt | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-debug-modules-core | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-modules-core | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-284.30.1.rt14.315.el9_2 | ALSA-2023:5091 |
| AlmaLinux:9 | kernel-tools | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-uki-virt | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-zfcpdump-modules-core | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | perf | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | python3-perf | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| AlmaLinux:9 | rtla | 5.14.0-284.30.1.el9_2 | ALSA-2023:5069 |
| Debian:12 | linux | 5.17.3-1 | DEBIAN-CVE-2023-1637 |
| Debian:13 | linux | 5.17.3-1 | DEBIAN-CVE-2023-1637 |
| Debian:14 | linux | 5.17.3-1 | DEBIAN-CVE-2023-1637 |
| Rocky Linux:9 | kernel-rt | 0:5.14.0-284.30.1.rt14.315.el9_2 | RLSA-2023:5091 |
| Ubuntu:22.04:LTS | linux | 5.15.0-37.39 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1011.14 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1010.12 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1008.12 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1008.10 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1007.8 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1008.11 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1010.11 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-37.39 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1004.4 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1009.12 | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1011.13 | UBUNTU-CVE-2023-1637 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-1637 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-1637 |
Affected products (as reported)
Weakness: CWE-226 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N