CVE-2021-47070 - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix another memory leak in error handling paths Memory allocated by 'vmbus_alloc_ring()' at the beginning of the probe function is never freed in the error handling path. Add the missing 'vmbus_free_ring()' call. Note that it is already freed in the .remove function.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

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

No data.

No data.

No data.

References

Link	Providers
https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df
https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07
https://lore.kernel.org/linux-cve-announce/2024030141-CVE-2021-47070-0525@gregkh/T/#u
https://nvd.nist.gov/vuln/detail/CVE-2021-47070
https://www.cve.org/CVERecord?id=CVE-2021-47070

History

Mon, 04 Nov 2024 19:15:00 +0000

Type	Values Removed	Values Added
Metrics	cvssV3_1 `{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'}`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}`

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: 2024-03-01T21:15:09.387Z

Updated: 2024-11-04T18:26:07.449Z

Reserved: 2024-02-29T22:33:44.296Z

Link: CVE-2021-47070

Vulnrichment

Updated: 2024-08-04T05:24:39.793Z

NVD

Status : Awaiting Analysis

Published: 2024-03-01T22:15:46.920

Modified: 2024-11-04T19:35:01.957

Link: CVE-2021-47070

Redhat

Severity : Low

Publid Date: 2024-03-01T00:00:00Z

Links: CVE-2021-47070 - Bugzilla

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