CVE-2021-47332

ALSA: usx2y: Don't call free_pages_exact() with NULL address

Severity Score

"-"

*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ALSA: usx2y: No llamar a free_pages_exact() con dirección NULL A diferencia de otras funciones, no podemos pasar un puntero NULL a free_pages_exact(). Agregue una verificación NULL adecuada para evitar posibles Oops.

*Credits: N/A

CVSS Scores

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-21 CVE Reserved
2024-05-21 CVE Published
2024-05-22 EPSS Updated
2024-11-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19	2021-07-20
https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d	2021-07-20
https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a	2021-07-20
https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196	2021-07-20
https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f	2021-05-17

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.134 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.134"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.52 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.52"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.12.19 Search vendor "Linux" for product "Linux Kernel" and version " < 5.12.19"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.13.4 Search vendor "Linux" for product "Linux Kernel" and version " < 5.13.4"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.14 Search vendor "Linux" for product "Linux Kernel" and version " < 5.14"		en		Affected