CVE-2021-47466

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential memoryleak in kmem_cache_open() In error path, the random_seq of slub cache might be leaked. Fix this by using __kmem_cache_release() to release all the relevant resources.

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/42b81946e3ac9ea0372ba16e05160dc11e02694f	Patch
https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb	Patch
https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930	Patch
https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461	Patch
https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f	Patch
https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb	Patch
https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930	Patch
https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461	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:5.15:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc4::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc5::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc6::::::

History

No history.

Information

Published : 2024-05-22 07:15

Updated : 2025-01-07 20:13

NVD link : CVE-2021-47466

Mitre link : CVE-2021-47466

CVE.ORG link : CVE-2021-47466

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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