First published: Sun Oct 29 2023(Updated: )
An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Linux Linux kernel | <=6.5.9 | |
IBM Security Guardium | <=12.0 | |
ubuntu/linux | <5.15.0-100.110 | 5.15.0-100.110 |
ubuntu/linux | <6.5.0-17.17 | 6.5.0-17.17 |
ubuntu/linux | <6.6 | 6.6 |
ubuntu/linux-aws | <5.15.0-1056.61 | 5.15.0-1056.61 |
ubuntu/linux-aws | <6.5.0-1013.13 | 6.5.0-1013.13 |
ubuntu/linux-aws | <6.6 | 6.6 |
ubuntu/linux-aws-5.15 | <5.15.0-1056.61~20.04.1 | 5.15.0-1056.61~20.04.1 |
ubuntu/linux-aws-5.15 | <6.6 | 6.6 |
ubuntu/linux-aws-5.4 | <6.6 | 6.6 |
ubuntu/linux-aws-6.2 | <6.6 | 6.6 |
ubuntu/linux-aws-6.5 | <6.6 | 6.6 |
ubuntu/linux-aws-fips | <6.6 | 6.6 |
ubuntu/linux-aws-hwe | <6.6 | 6.6 |
ubuntu/linux-azure | <5.15.0-1058.66 | 5.15.0-1058.66 |
ubuntu/linux-azure | <6.5.0-1015.15 | 6.5.0-1015.15 |
ubuntu/linux-azure | <6.6 | 6.6 |
ubuntu/linux-azure-4.15 | <6.6 | 6.6 |
ubuntu/linux-azure-5.15 | <5.15.0-1058.66~20.04.2 | 5.15.0-1058.66~20.04.2 |
ubuntu/linux-azure-5.15 | <6.6 | 6.6 |
ubuntu/linux-azure-5.4 | <6.6 | 6.6 |
ubuntu/linux-azure-6.2 | <6.6 | 6.6 |
ubuntu/linux-azure-6.5 | <6.6 | 6.6 |
ubuntu/linux-azure-fde | <5.15.0-1058.66.1 | 5.15.0-1058.66.1 |
ubuntu/linux-azure-fde | <6.6 | 6.6 |
ubuntu/linux-azure-fde-5.15 | <5.15.0-1058.66~20.04.2.1 | 5.15.0-1058.66~20.04.2.1 |
ubuntu/linux-azure-fde-5.15 | <6.6 | 6.6 |
ubuntu/linux-azure-fde-6.2 | <6.6 | 6.6 |
ubuntu/linux-azure-fips | <6.6 | 6.6 |
ubuntu/linux-bluefield | <6.6 | 6.6 |
ubuntu/linux-fips | <6.6 | 6.6 |
ubuntu/linux-gcp | <5.15.0-1053.61 | 5.15.0-1053.61 |
ubuntu/linux-gcp | <6.5.0-1013.13 | 6.5.0-1013.13 |
ubuntu/linux-gcp | <6.6 | 6.6 |
ubuntu/linux-gcp-4.15 | <6.6 | 6.6 |
ubuntu/linux-gcp-5.15 | <5.15.0-1053.61~20.04.1 | 5.15.0-1053.61~20.04.1 |
ubuntu/linux-gcp-5.15 | <6.6 | 6.6 |
ubuntu/linux-gcp-5.19 | <6.6 | 6.6 |
ubuntu/linux-gcp-5.4 | <6.6 | 6.6 |
ubuntu/linux-gcp-6.5 | <6.6 | 6.6 |
ubuntu/linux-gcp-fips | <6.6 | 6.6 |
ubuntu/linux-gke | <5.15.0-1052.57 | 5.15.0-1052.57 |
ubuntu/linux-gke | <6.6 | 6.6 |
ubuntu/linux-gkeop | <5.15.0-1038.44 | 5.15.0-1038.44 |
ubuntu/linux-gkeop | <6.6 | 6.6 |
ubuntu/linux-gkeop-5.15 | <5.15.0-1038.44~20.04.1 | 5.15.0-1038.44~20.04.1 |
ubuntu/linux-gkeop-5.15 | <6.6 | 6.6 |
ubuntu/linux-hwe | <6.6 | 6.6 |
ubuntu/linux-hwe-5.15 | <5.15.0-100.110~20.04.1 | 5.15.0-100.110~20.04.1 |
ubuntu/linux-hwe-5.15 | <6.6 | 6.6 |
ubuntu/linux-hwe-5.4 | <6.6 | 6.6 |
ubuntu/linux-hwe-6.2 | <6.6 | 6.6 |
ubuntu/linux-hwe-6.5 | <6.5.0-17.17~22.04.1 | 6.5.0-17.17~22.04.1 |
ubuntu/linux-hwe-6.5 | <6.6 | 6.6 |
ubuntu/linux-ibm | <5.15.0-1048.51 | 5.15.0-1048.51 |
ubuntu/linux-ibm | <6.6 | 6.6 |
ubuntu/linux-ibm-5.15 | <5.15.0-1048.51~20.04.1 | 5.15.0-1048.51~20.04.1 |
ubuntu/linux-ibm-5.15 | <6.6 | 6.6 |
ubuntu/linux-ibm-5.4 | <6.6 | 6.6 |
ubuntu/linux-intel | <6.6 | 6.6 |
ubuntu/linux-intel-iotg | <5.15.0-1050.56 | 5.15.0-1050.56 |
ubuntu/linux-intel-iotg | <6.6 | 6.6 |
ubuntu/linux-intel-iotg-5.15 | <5.15.0-1050.56~20.04.1 | 5.15.0-1050.56~20.04.1 |
ubuntu/linux-intel-iotg-5.15 | <6.6 | 6.6 |
ubuntu/linux-iot | <6.6 | 6.6 |
ubuntu/linux-kvm | <5.15.0-1052.57 | 5.15.0-1052.57 |
ubuntu/linux-kvm | <6.6 | 6.6 |
ubuntu/linux-laptop | <6.5.0-1009.12 | 6.5.0-1009.12 |
ubuntu/linux-laptop | <6.6 | 6.6 |
ubuntu/linux-lowlatency | <5.15.0-100.110 | 5.15.0-100.110 |
ubuntu/linux-lowlatency | <6.5.0-17.17.1 | 6.5.0-17.17.1 |
ubuntu/linux-lowlatency | <6.6 | 6.6 |
ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-100.110~20.04.1 | 5.15.0-100.110~20.04.1 |
ubuntu/linux-lowlatency-hwe-5.15 | <6.6 | 6.6 |
ubuntu/linux-lowlatency-hwe-6.2 | <6.6 | 6.6 |
ubuntu/linux-lowlatency-hwe-6.5 | <6.5.0-17.17.1.1.1~22.04.1 | 6.5.0-17.17.1.1.1~22.04.1 |
ubuntu/linux-lowlatency-hwe-6.5 | <6.6 | 6.6 |
ubuntu/linux-lts-xenial | <6.6 | 6.6 |
ubuntu/linux-nvidia | <5.15.0-1046.46 | 5.15.0-1046.46 |
ubuntu/linux-nvidia | <6.6 | 6.6 |
ubuntu/linux-nvidia-6.2 | <6.6 | 6.6 |
ubuntu/linux-nvidia-6.5 | <6.6 | 6.6 |
ubuntu/linux-oem-6.1 | <6.1.0-1027.27 | 6.1.0-1027.27 |
ubuntu/linux-oem-6.1 | <6.6 | 6.6 |
ubuntu/linux-oem-6.5 | <6.5.0-1014.15 | 6.5.0-1014.15 |
ubuntu/linux-oem-6.5 | <6.6 | 6.6 |
ubuntu/linux-oem-6.8 | <6.6 | 6.6 |
ubuntu/linux-oracle | <5.15.0-1053.59 | 5.15.0-1053.59 |
ubuntu/linux-oracle | <6.5.0-1015.15 | 6.5.0-1015.15 |
ubuntu/linux-oracle | <6.6 | 6.6 |
ubuntu/linux-oracle-5.15 | <5.15.0-1053.59~20.04.1 | 5.15.0-1053.59~20.04.1 |
ubuntu/linux-oracle-5.15 | <6.6 | 6.6 |
ubuntu/linux-oracle-5.4 | <6.6 | 6.6 |
ubuntu/linux-oracle-6.5 | <6.6 | 6.6 |
ubuntu/linux-raspi | <5.15.0-1048.51 | 5.15.0-1048.51 |
ubuntu/linux-raspi | <6.5.0-1010.13 | 6.5.0-1010.13 |
ubuntu/linux-raspi | <6.6 | 6.6 |
ubuntu/linux-raspi-5.4 | <6.6 | 6.6 |
ubuntu/linux-riscv | <6.5.0-17.17.1 | 6.5.0-17.17.1 |
ubuntu/linux-riscv | <6.6 | 6.6 |
ubuntu/linux-riscv-5.15 | <5.15.0-1051.55~20.04.1 | 5.15.0-1051.55~20.04.1 |
ubuntu/linux-riscv-5.15 | <6.6 | 6.6 |
ubuntu/linux-riscv-6.5 | <6.6 | 6.6 |
ubuntu/linux-starfive | <6.5.0-1007.8 | 6.5.0-1007.8 |
ubuntu/linux-starfive | <6.6 | 6.6 |
ubuntu/linux-starfive-6.2 | <6.6 | 6.6 |
ubuntu/linux-starfive-6.5 | <6.6 | 6.6 |
ubuntu/linux-xilinx-zynqmp | <6.6 | 6.6 |
debian/linux | 5.10.218-1 5.10.221-1 6.1.94-1 6.1.99-1 6.9.10-1 |
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(Appears in the following advisories)
The vulnerability ID is CVE-2023-46862.
CVE-2023-46862 has a severity level of medium.
The affected software is the Linux kernel version up to and including 6.5.9.
The CWE for CVE-2023-46862 is CWE-476.
Yes, you can find more information on CVE-2023-46862 in the following references: [link 1](https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46), [link 2](https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4).