Vulnerability · Published May 17, 2024 · Assigned by Linux
CVE-2023-52686powerpc/powernv: Add a null pointer check in opal_event_init()
Medium 5.5
In plain English
A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 83.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-core | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-debug | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-devel | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-doc | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-headers | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-modules | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-tools | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | perf | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| AlmaLinux:8 | python3-perf | 4.18.0-553.8.1.el8_10 | ALSA-2024:4211 |
| Debian:12 | linux | 6.1.76-1 | DEBIAN-CVE-2023-52686 |
| Debian:13 | linux | 6.6.15-1 | DEBIAN-CVE-2023-52686 |
| Debian:14 | linux | 6.6.15-1 | DEBIAN-CVE-2023-52686 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.8.1.el8_10 | RLSA-2024:4211 |
| Ubuntu:22.04:LTS | linux | 5.15.0-102.112 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1057.63 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1060.69 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | 6.5.0-1022.23~22.04.1 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1060.69.1 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1055.63 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | 6.5.0-1022.24~22.04.1 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1054.59 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1040.46 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | 6.5.0-41.41~22.04.2 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1050.53 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1052.58 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1054.59 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-102.112 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | 6.5.0-41.41.1~22.04.1 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1048.48 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | 6.5.0-1021.22 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1025.25 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1012.12 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1024.25 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1055.61 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | 6.5.0-1024.24~22.04.1 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1050.53 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | 6.5.0-40.40.1~22.04.1 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | 6.5.0-1015.16~22.04.1 | UBUNTU-CVE-2023-52686 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | UBUNTU-CVE-2023-52686 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 2717a33d60745f2f72e521cdaedf79b00f66f8ca – before 8422d179cf46889c15ceff9ede48c5bfa4e7f0b42717a33d60745f2f72e521cdaedf79b00f66f8ca – before e93d7cf4c1ddbcd846739e7ad849f955a4f180312717a33d60745f2f72e521cdaedf79b00f66f8ca – before e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf2717a33d60745f2f72e521cdaedf79b00f66f8ca – before c0b111ea786ddcc8be0682612830796ece9436c72717a33d60745f2f72e521cdaedf79b00f66f8ca – before 9a523e1da6d88c2034f946adfa4f74b236c95ca92717a33d60745f2f72e521cdaedf79b00f66f8ca – before a14c55eb461d630b836f80591d8caf1f74e628772717a33d60745f2f72e521cdaedf79b00f66f8ca – before e08c2e275fa1874de945b87093f925997722ee422717a33d60745f2f72e521cdaedf79b00f66f8ca – before 8649829a1dd25199bbf557b2621cedb4bf9b3050 |
| Linux | Linux | 4.11 |
References
- https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4
- https://git.kernel.org/stable/c/e93d7cf4c1ddbcd846739e7ad849f955a4f18031
- https://git.kernel.org/stable/c/e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf
- https://git.kernel.org/stable/c/c0b111ea786ddcc8be0682612830796ece9436c7
- https://git.kernel.org/stable/c/9a523e1da6d88c2034f946adfa4f74b236c95ca9
- https://git.kernel.org/stable/c/a14c55eb461d630b836f80591d8caf1f74e62877
- https://git.kernel.org/stable/c/e08c2e275fa1874de945b87093f925997722ee42
- https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html x_transferred