CVE-2024-56696: ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc()
First published: Sat Dec 28 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc() kunit_kzalloc() may return a NULL pointer, dereferencing it without NULL check may lead to NULL dereference. Add NULL checks for all the kunit_kzalloc() in sound_kunit.c
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.9<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/f5486bf8abfe778b368d8fd1aa655dc01d0013ca
- https://git.kernel.org/stable/c/8bfff486ecc79a72e9380e2d5e0ff234d5542d2f
- https://git.kernel.org/stable/c/9ad467a2b2716d4ed12f003b041aa6c776a13ff5
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56696
- https://nvd.nist.gov/vuln/detail/CVE-2024-56696
- https://launchpad.net/bugs/cve/CVE-2024-56696
- https://security-tracker.debian.org/tracker/CVE-2024-56696
- https://ubuntu.com/security/CVE-2024-56696
- https://git.kernel.org/linus/9ad467a2b2716d4ed12f003b041aa6c776a13ff5
Frequently Asked Questions
What is the severity of CVE-2024-56696?
The severity of CVE-2024-56696 is currently assessed to be moderate due to the potential for a NULL dereference.
How do I fix CVE-2024-56696?
To fix CVE-2024-56696, ensure you update your Linux kernel to a version newer than 6.11.11 or 6.12.2 which include the necessary NULL checks.
What versions of the Linux kernel are affected by CVE-2024-56696?
CVE-2024-56696 affects the Linux kernel versions between 6.9 and 6.11.11 and from 6.12 to 6.12.2.
What is the main issue caused by CVE-2024-56696?
The main issue caused by CVE-2024-56696 is a possible NULL dereference when dereferencing a NULL pointer from kunit_kzalloc().
Is CVE-2024-56696 a remote attack vulnerability?
CVE-2024-56696 is not classified as a remote attack vulnerability, as it involves a local NULL dereference issue.
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