CVE-2021-47002 - Vulnerability Details - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix null pointer dereference in svc_rqst_free() When alloc_pages_node() returns null in svc_rqst_alloc(), the null rq_scratch_page pointer will be dereferenced when calling put_page() in svc_rqst_free(). Fix it by adding a null check. Addresses-Coverity: ("Dereference after null check")

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

No data.

References

Link	Providers
https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c
https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336
https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10
https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742
https://lore.kernel.org/linux-cve-announce/2024022828-CVE-2021-47002-3946@gregkh/T/#u
https://nvd.nist.gov/vuln/detail/CVE-2021-47002
https://www.cve.org/CVERecord?id=CVE-2021-47002

History

Mon, 09 Dec 2024 18:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel

Mon, 04 Nov 2024 13:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-02-28T08:13:24.091Z

Updated: 2025-05-04T07:02:05.909Z

Reserved: 2024-02-27T18:42:55.950Z

Link: CVE-2021-47002

Vulnrichment

Updated: 2024-08-04T05:24:39.582Z

NVD

Status : Analyzed

Published: 2024-02-28T09:15:38.257

Modified: 2024-12-09T18:25:24.200

Link: CVE-2021-47002

Redhat

Severity : Moderate

Publid Date: 2024-02-28T00:00:00Z

Links: CVE-2021-47002 - Bugzilla

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