VulnerabilityAnalyzed
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().
MEDIUM 5.5EPSS 0.24%
Does this matter?
Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.24% probability · 15th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69dPatch
- https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196Patch
- https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19Patch
- https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87aPatch
- https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829fPatch
- https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69dPatch
- https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196Patch
- https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19Patch
- https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87aPatch
- https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829fPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.