CVE-2022-49280

In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue.

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/184416d4b98509fb4c3d8fc3d6dc1437896cc159	Patch
https://git.kernel.org/stable/c/1a33e0de60feda402d05ac8a6cf409c19ea3e0b3	Patch
https://git.kernel.org/stable/c/2764af8ce0bf03cc43ee4a11897cab96bde6caae	Patch
https://git.kernel.org/stable/c/413d8fefafe531a9442bb623e3fe292a38f88d65	Patch
https://git.kernel.org/stable/c/438068f4912183a59fcb6b7496a06437f7fd4e2b	Patch
https://git.kernel.org/stable/c/614a61e1592051cc42d3c38f899c9f7bdaad8a1d	Patch
https://git.kernel.org/stable/c/65e21cc042f4c1518c8c55283f53bc725b78419d	Patch
https://git.kernel.org/stable/c/85259340fc9bd54e3d567b41b881ecb4d0055da1	Patch
https://git.kernel.org/stable/c/9f0f048c1bfa7867d565a95fd8c28f4484ba1043	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::::::::

History

No history.

Information

Published : 2025-02-26 07:01

Updated : 2025-10-01 20:16

NVD link : CVE-2022-49280

Mitre link : CVE-2022-49280

CVE.ORG link : CVE-2022-49280

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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"exploitabilityScore": 1.8}]}, "published": "2025-02-26T07:01:04.840", "references": [{"url": "https://git.kernel.org/stable/c/184416d4b98509fb4c3d8fc3d6dc1437896cc159", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1a33e0de60feda402d05ac8a6cf409c19ea3e0b3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2764af8ce0bf03cc43ee4a11897cab96bde6caae", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/413d8fefafe531a9442bb623e3fe292a38f88d65", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/438068f4912183a59fcb6b7496a06437f7fd4e2b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/614a61e1592051cc42d3c38f899c9f7bdaad8a1d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/65e21cc042f4c1518c8c55283f53bc725b78419d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/85259340fc9bd54e3d567b41b881ecb4d0055da1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9f0f048c1bfa7867d565a95fd8c28f4484ba1043", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-191"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-191"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: prevent underflow in nfssvc_decode_writeargs()\n\nSmatch complains:\n\n\tfs/nfsd/nfsxdr.c:341 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