CVE-2022-49638

In the Linux kernel, the following vulnerability has been resolved: icmp: Fix data-races around sysctl. While reading icmp sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

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/0cba7ca667ceb06934746ddd9833a25847bde81d	Patch
https://git.kernel.org/stable/c/1740e5922fbb705637ae9fa5203db132fc45f9f6	Patch
https://git.kernel.org/stable/c/48d7ee321ea5182c6a70782aa186422a70e67e22	Patch
https://git.kernel.org/stable/c/53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6	Patch
https://git.kernel.org/stable/c/798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06	Patch
https://git.kernel.org/stable/c/e088ceb73c24ab4774da391d54a6426f4bfaefce	Patch
https://git.kernel.org/stable/c/e2828e8c605853f71267825c9415437c0a93e4f2	Patch
https://git.kernel.org/stable/c/edeec63b13c252193d626c2a48d7a2f0e7016dc2	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::::::::
	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:5.19:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc4::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc5::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc6::::::

History

No history.

Information

Published : 2025-02-26 07:01

Updated : 2025-10-01 20:16

NVD link : CVE-2022-49638

Mitre link : CVE-2022-49638

CVE.ORG link : CVE-2022-49638

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Al leer las variables sysctl de icmp, estas pueden modificarse simult\u00e1neamente. 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