CVE-2021-47298

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix potential memory leak on unlikely error case If skb_linearize is needed and fails we could leak a msg on the error handling. To fix ensure we kfree the msg block before returning error. Found during code review.

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/6c508a1c6c62793dc6e6872cad4b200097bab7c9	Patch
https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889	Patch
https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470	Patch
https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9	Patch
https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889	Patch
https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470	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:5.14:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.14:rc2::::::

History

No history.

Information

Published : 2024-05-21 15:15

Updated : 2024-12-23 16:39

NVD link : CVE-2021-47298

Mitre link : CVE-2021-47298

CVE.ORG link : CVE-2021-47298

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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