CVE-2024-26889: Bluetooth: hci_core: Fix possible buffer overflow
First published: Wed Apr 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix possible buffer overflow struct hci_dev_info has a fixed size name[8] field so in the event that hdev->name is bigger than that strcpy would attempt to write past its size, so this fixes this problem by switching to use strscpy.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.311 | 4.19.311 |
| redhat/kernel | <5.4.273 | 5.4.273 |
| redhat/kernel | <5.10.214 | 5.10.214 |
| redhat/kernel | <5.15.153 | 5.15.153 |
| redhat/kernel | <6.1.83 | 6.1.83 |
| redhat/kernel | <6.6.23 | 6.6.23 |
| redhat/kernel | <6.7.11 | 6.7.11 |
| redhat/kernel | <6.8.2 | 6.8.2 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://git.kernel.org/stable/c/2e845867b4e279eff0a19ade253390470e07e8a1
- https://git.kernel.org/stable/c/2edce8e9a99dd5e4404259d52e754fdc97fb42c2
- https://git.kernel.org/stable/c/54a03e4ac1a41edf8a5087bd59f8241b0de96d3d
- https://git.kernel.org/stable/c/68644bf5ec6baaff40fc39b3529c874bfda709bd
- https://git.kernel.org/stable/c/6d5a9d4a7bcbb7534ce45a18a52e7bd23e69d8ac
- https://git.kernel.org/stable/c/81137162bfaa7278785b24c1fd2e9e74f082e8e4
- https://git.kernel.org/stable/c/8c28598a2c29201d2ba7fc37539a7d41c264fb10
- https://git.kernel.org/stable/c/a41c8efe659caed0e21422876bbb6b73c15b5244
- https://git.kernel.org/stable/c/d47e6c1932cee02954ea588c9f09fd5ecefeadfc
- https://launchpad.net/bugs/cve/CVE-2024-26889
- https://access.redhat.com/security/cve/CVE-2024-26889
- https://lore.kernel.org/linux-cve-announce/2024041742-CVE-2024-26889-edfc@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2275673
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2275672
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26889
- https://nvd.nist.gov/vuln/detail/CVE-2024-26889
- https://security-tracker.debian.org/tracker/CVE-2024-26889
- https://ubuntu.com/security/CVE-2024-26889
- https://git.kernel.org/linus/81137162bfaa7278785b24c1fd2e9e74f082e8e4
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Frequently Asked Questions
What is the severity of CVE-2024-26889?
CVE-2024-26889 has been categorized as a potential buffer overflow vulnerability in the Linux kernel.
How do I fix CVE-2024-26889?
To fix CVE-2024-26889, ensure your Linux kernel is updated to versions 4.19.311, 5.4.273, 5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9 or relevant Debian versions.
Which Linux kernel versions are affected by CVE-2024-26889?
CVE-2024-26889 affects multiple kernel versions prior to the mentioned remedial versions across both Red Hat and Debian distributions.
What is the impact of CVE-2024-26889?
The impact of CVE-2024-26889 could lead to potential exploitation through a buffer overflow affecting Bluetooth operations.
Is CVE-2024-26889 related to Bluetooth functionality?
Yes, CVE-2024-26889 pertains specifically to a vulnerability in the Bluetooth stack of the Linux kernel.
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