Linux Kernel up to 6.1.12 vdpa ifcvf_mgmt_dev memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.1.12. It has been declared as critical. This impacts the function ifcvf_mgmt_dev of the component vdpa. Executing a manipulation can lead to memory leak. This vulnerability is handled as CVE-2022-48706. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.1.12. It has been declared as critical. This vulnerability affects the function ifcvf_mgmt_dev of the component vdpa. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: vdpa: ifcvf: Do proper cleanup if IFCVF init fails ifcvf_mgmt_dev leaks memory if it is not freed before returning. Call is made to correct return statement so memory does not leak. ifcvf_init_hw does not take care of this so it is needed to do it here.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2022-48706 since 05/03/2024. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 207884 (openSUSE 15 Security Update : kernel (SUSE-SU-2024:3483-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.13 eliminates this vulnerability. Applying the patch 5d2cc32c1c10/6b04456e2487 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (207884). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 207884
Nessus Name: openSUSE 15 Security Update : kernel (SUSE-SU-2024:3483-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.1.13
Patch: 5d2cc32c1c10/6b04456e2487

Timelineinfo

05/03/2024 🔍
05/21/2024 +18 days 🔍
05/21/2024 +0 days 🔍
09/28/2024 +130 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48706 (🔍)
GCVE (CVE): GCVE-0-2022-48706
GCVE (VulDB): GCVE-100-265516

Entryinfo

Created: 05/21/2024 18:18
Updated: 09/28/2024 13:28
Changes: 05/21/2024 18:18 (58), 09/28/2024 13:28 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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