Vulnerability · Published Mar 23, 2023 · Assigned by redhat
CVE-2023-1513
Low 3.3
In plain English
A low-severity security flaw in Linux kernel (KVM). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 86.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw was found in KVM. When calling the KVM_GET_DEBUGREGS ioctl, on 32-bit systems, there might be some uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-core | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-debug | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-devel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-doc | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-headers | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-modules | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-rt | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-tools | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | perf | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:8 | python3-perf | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| Debian:12 | linux | 6.1.15-1 | DEBIAN-CVE-2023-1513 |
| Debian:13 | linux | 6.1.15-1 | DEBIAN-CVE-2023-1513 |
| Debian:14 | linux | 6.1.15-1 | DEBIAN-CVE-2023-1513 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.el8_10 | RLSA-2024:3138 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.123.1.el8_10.cloud.0.1 | RXSA-2024:3138 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-553.rt7.342.el8_10 | RLSA-2024:2950 |
| Ubuntu:22.04:LTS | linux | 5.15.0-72.79 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux | 5.15.0-72.79 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1036.40 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1036.40 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1038.45 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1038.45 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1026.29~22.04.1 | USN-6079-1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1026.29~22.04.1 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1038.45.1 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1038.45.1 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1034.42 | USN-6090-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1034.42 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1033.38 | USN-6090-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1033.38 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1020.25 | USN-6090-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1020.25 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-42.43~22.04.1 | USN-6096-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-42.43~22.04.1 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1030.33 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1030.33 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1030.35 | USN-6133-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1030.35 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1033.38 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1033.38 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-72.79 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-72.79 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | 5.19.0-1024.25~22.04.1 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1025.25 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1008.8 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1035.41 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1035.41 | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1029.31 | USN-6085-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1029.31 | UBUNTU-CVE-2023-1513 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-1513 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-1513 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Linux kernel (KVM) | Fixed in kernel 6.2 |
Weakness: CWE-665 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2179892
- https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh%40linuxfoundation.org/
- https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952
- [debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update mailing-list
- [debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update mailing-list