Vulnerability · Published Feb 23, 2023 · Assigned by redhat
CVE-2023-0597
Medium 5.5
In plain English
A medium-severity information exposure in Kernel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 77.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC
Official description
A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-doc | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-headers | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | perf | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | python3-perf | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| Debian:12 | linux | no fix listed | DEBIAN-CVE-2023-0597 |
| Debian:13 | linux | 6.3.7-1 | DEBIAN-CVE-2023-0597 |
| Debian:14 | linux | 6.3.7-1 | DEBIAN-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux | 5.15.0-79.86 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-79.86 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1042.47 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1042.47 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1045.52 | USN-6332-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1045.52 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1044.51.1 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1045.52.1 | USN-6332-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1039.47 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1039.47 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1039.44 | USN-6311-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1039.44 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1025.30 | USN-6311-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1025.30 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1035.38 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1035.38 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1037.42 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1037.42 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1039.44 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1039.44 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-79.88 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-79.88 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1030.30 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1030.30 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1016.16 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1002.2 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1034.35 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1034.35 | USN-6206-1 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1019.19 | USN-6235-1 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1019.19 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1040.46 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1040.46 | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1035.38 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1035.38 | UBUNTU-CVE-2023-0597 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-0597 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | UBUNTU-CVE-2023-0597 |
Affected products (as reported)
Weakness: CWE-200, CWE-401 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N