CVE-2021-47332
Moderate
CVE-2021-47332
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.
Exploit probability
0.2%
Published
May 21, 2024
Required by
Not available
Last source change
March 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2021-47332
View original source
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.
05 / REFERENCES
Further evidence
- https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d
- https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196
- https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19
- https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a
- https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f