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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d	Patch
https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196	Patch
https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19	Patch
https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a	Patch
https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f	Patch
https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d	Patch
https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196	Patch
https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19	Patch
https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a	Patch
https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2024-05-21 15:15

Updated : 2024-12-24 16:15

NVD link : CVE-2021-47332

Mitre link : CVE-2021-47332

CVE.ORG link : CVE-2021-47332

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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