Vulnerability · Published May 17, 2024 · Assigned by Linux
CVE-2023-52696powerpc/powernv: Add a null pointer check in opal_powercap_init()
High 7.5
In plain English
A high-severity null pointer dereference 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 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.8%top 42.5% 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_powercap_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.76-1 | DEBIAN-CVE-2023-52696 |
| Debian:13 | linux | 6.6.15-1 | DEBIAN-CVE-2023-52696 |
| Debian:14 | linux | 6.6.15-1 | DEBIAN-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux | 5.15.0-102.112 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1057.63 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1060.69 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | 6.5.0-1022.23~22.04.1 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1060.69.1 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1055.63 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | 6.5.0-1022.24~22.04.1 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1054.59 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1040.46 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | 6.5.0-41.41~22.04.2 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1050.53 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1052.58 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1054.59 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-102.112 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | 6.5.0-41.41.1~22.04.1 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1048.48 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | 6.5.0-1021.22 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1025.25 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1012.12 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1024.25 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1055.61 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | 6.5.0-1024.24~22.04.1 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1050.53 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | 6.5.0-40.40.1~22.04.1 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | 6.5.0-1015.16~22.04.1 | UBUNTU-CVE-2023-52696 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | UBUNTU-CVE-2023-52696 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | b9ef7b4b867f56114bedbe6bf104cfaba0ca818e – before 9da4a56dd3772570512ca58aa8832b052ae910dcb9ef7b4b867f56114bedbe6bf104cfaba0ca818e – before a67a04ad05acb56640798625e73fa54d6d41cce1b9ef7b4b867f56114bedbe6bf104cfaba0ca818e – before 6b58d16037217d0c64a2a09b655f370403ec7219b9ef7b4b867f56114bedbe6bf104cfaba0ca818e – before f152a6bfd187f67afeffc9fd68cbe46f51439be0b9ef7b4b867f56114bedbe6bf104cfaba0ca818e – before 69f95c5e9220f77ce7c540686b056c2b49e9a664b9ef7b4b867f56114bedbe6bf104cfaba0ca818e – before b02ecc35d01a76b4235e008d2dd292895b28ecabb9ef7b4b867f56114bedbe6bf104cfaba0ca818e – before e123015c0ba859cf48aa7f89c5016cc6e98e018d |
| Linux | Linux | 4.20 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://git.kernel.org/stable/c/9da4a56dd3772570512ca58aa8832b052ae910dc
- https://git.kernel.org/stable/c/a67a04ad05acb56640798625e73fa54d6d41cce1
- https://git.kernel.org/stable/c/6b58d16037217d0c64a2a09b655f370403ec7219
- https://git.kernel.org/stable/c/f152a6bfd187f67afeffc9fd68cbe46f51439be0
- https://git.kernel.org/stable/c/69f95c5e9220f77ce7c540686b056c2b49e9a664
- https://git.kernel.org/stable/c/b02ecc35d01a76b4235e008d2dd292895b28ecab
- https://git.kernel.org/stable/c/e123015c0ba859cf48aa7f89c5016cc6e98e018d
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html x_transferred