CVE-2024-38587: speakup: Fix sizeof() vs ARRAY_SIZE() bug
First published: Wed Jun 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: speakup: Fix sizeof() vs ARRAY_SIZE() bug The "buf" pointer is an array of u16 values. This code should be using ARRAY_SIZE() (which is 256) instead of sizeof() (which is 512), otherwise it can the still got out of bounds.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.16-1 |
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Reference Links
- https://git.kernel.org/stable/c/008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b
- https://git.kernel.org/stable/c/07ef95cc7a579731198c93beed281e3a79a0e586
- https://git.kernel.org/stable/c/3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e
- https://git.kernel.org/stable/c/42f0a3f67158ed6b2908d2b9ffbf7e96d23fd358
- https://git.kernel.org/stable/c/504178fb7d9f6cdb0496d5491efb05f45597e535
- https://git.kernel.org/stable/c/c6e1650cf5df1bd6638eeee231a683ef30c7d4eb
- https://git.kernel.org/stable/c/cd7f3978c2ec741aedd1d860b2adb227314cf996
- https://git.kernel.org/stable/c/d52c04474feac8e305814a5228e622afe481b2ef
- https://git.kernel.org/stable/c/eb1ea64328d4cc7d7a912c563f8523d5259716ef
- https://launchpad.net/bugs/cve/CVE-2024-38587
- https://git.kernel.org/linus/008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b
- https://security-tracker.debian.org/tracker/CVE-2024-38587
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-38587
- https://nvd.nist.gov/vuln/detail/CVE-2024-38587
- https://ubuntu.com/security/CVE-2024-38587
Frequently Asked Questions
What is the severity of CVE-2024-38587?
CVE-2024-38587 is classified as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-38587?
To fix CVE-2024-38587, update your Linux kernel to version 5.10.223-1, 5.10.226-1, 6.1.119-1, 6.1.123-1, 6.12.10-1, or 6.12.11-1.
What software is affected by CVE-2024-38587?
CVE-2024-38587 affects specific versions of the Linux package in the Debian distribution.
What causes CVE-2024-38587?
CVE-2024-38587 is caused by a bug in the speakup driver where sizeof() is incorrectly used instead of ARRAY_SIZE().
Is there a workaround for CVE-2024-38587?
Currently, the recommended course of action for CVE-2024-38587 is to apply the available kernel updates rather than trying to implement a workaround.
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