CWE
476
Advisory Published
Updated

CVE-2023-46862: Null Pointer Dereference

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 SoftwareAffected VersionHow to fix
Linux Linux kernel<=6.5.9
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-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-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-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-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-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-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-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-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-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-xilinx-zynqmp<6.6
6.6
IBM Security Guardium<=12.0
debian/linux
4.19.249-2
4.19.304-1
5.10.209-2
5.10.218-1
6.1.76-1
6.1.90-1
6.7.12-1
6.8.12-1
debian/linux-5.10
5.10.216-1~deb10u1

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the vulnerability ID for this Linux kernel issue?

    The vulnerability ID is CVE-2023-46862.

  • What is the severity level of CVE-2023-46862?

    CVE-2023-46862 has a severity level of medium.

  • What is the affected software?

    The affected software is the Linux kernel version up to and including 6.5.9.

  • What is the Common Weakness Enumeration (CWE) for this vulnerability?

    The CWE for CVE-2023-46862 is CWE-476.

  • Are there any references for further information on this vulnerability?

    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).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203