high
7.1
CWE
416 362
Advisory Published
Updated

CVE-2023-1989: Use After Free

First published: Tue Apr 11 2023(Updated: )

A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. In this flaw, a call to btsdio_remove with an unfinished job, may cause a race condition, and lead to a UAF problem on the hdev devices. This bug has been submitted to upstream and got fixed in [1] and [2] [1] <a href="https://lore.kernel.org/all/167883542095.4543.7797236411801708072.git-patchwork-notify@kernel.org/">https://lore.kernel.org/all/167883542095.4543.7797236411801708072.git-patchwork-notify@kernel.org/</a> [2] <a href="https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=f132c2d13088">https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=f132c2d13088</a>

Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel<6.3
6.3
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
Linux Kernel>=2.6.24<4.14.312
Linux Kernel>=4.15<4.19.280
Linux Kernel>=4.20<5.4.240
Linux Kernel>=5.5<5.10.177
Linux Kernel>=5.11<5.15.105
Linux Kernel>=5.16<6.1.22
Linux Kernel>=6.2<6.2.9
NetApp H300S Firmware
NetApp H410C Firmware
NetApp H410S Firmware
NetApp H500e Firmware
NetApp H700S
Debian Linux=10.0
Debian Linux=12.0
NetApp Baseboard Management Controller H300S
NetApp Baseboard Management Controller H410C Firmware
NetApp Baseboard Management Controller H410S
NetApp Baseboard Management Controller H500S
NetApp Baseboard Management Controller H700S
debian/linux
5.10.223-1
5.10.234-1
6.1.129-1
6.1.128-1
6.12.20-1
6.12.21-1

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=f132c2d13088

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-1989?

    The severity of CVE-2023-1989 is categorized as high due to its use-after-free vulnerability that can lead to a race condition.

  • How do I fix CVE-2023-1989?

    To fix CVE-2023-1989, update to the latest kernel version, specifically versions 6.3 or higher, or the recommended updates from your operating system vendor.

  • Which systems are affected by CVE-2023-1989?

    CVE-2023-1989 affects Linux Kernel versions between 2.6.24 and 6.3, as well as certain IBM Security Verify Governance products.

  • What causes the CVE-2023-1989 vulnerability?

    The CVE-2023-1989 vulnerability is caused by a use-after-free flaw in the btsdio_remove function that can occur when there is an unfinished job with hdev devices.

  • What should I do if I cannot apply the patch for CVE-2023-1989 immediately?

    If you cannot apply the patch for CVE-2023-1989 immediately, be sure to limit access to affected systems and monitor for signs of exploitation.

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