CVE-2021-47539

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle() Need to call rxrpc_put_peer() for bundle candidate before kfree() as it holds a ref to rxrpc_peer. [DH: v2: Changed to abstract out the bundle freeing code into a function]

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/35b40f724c4ef0f683d94dab3af9ab38261d782b	Patch
https://git.kernel.org/stable/c/bc97458620e38961af9505cc060ad4cf5c9e4af7	Patch
https://git.kernel.org/stable/c/ca77fba821351190777b236ce749d7c4d353102e	Patch
https://git.kernel.org/stable/c/35b40f724c4ef0f683d94dab3af9ab38261d782b	Patch
https://git.kernel.org/stable/c/bc97458620e38961af9505cc060ad4cf5c9e4af7	Patch
https://git.kernel.org/stable/c/ca77fba821351190777b236ce749d7c4d353102e	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:5.16:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc3::::::

History

No history.

Information

Published : 2024-05-24 15:15

Updated : 2025-09-18 15:55

NVD link : CVE-2021-47539

Mitre link : CVE-2021-47539

CVE.ORG link : CVE-2021-47539

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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