Linux Kernel CIFS fs/cifs/sess.c sess_free_buffer double free

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.03

A vulnerability was found in Linux Kernel (Operating System) (version now known). It has been rated as problematic. Affected by this issue is the function sess_free_buffer of the file fs/cifs/sess.c of the component CIFS Handler. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is availability.

The weakness was shared 10/18/2022. The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2022-3595. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The entries VDB-266219, VDB-266220, VDB-266221 and VDB-266222 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (VulDB): 🔍

CVSSv2info

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

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

10/18/2022 🔍
10/18/2022 +0 days 🔍
10/18/2022 +0 days 🔍
11/10/2022 +23 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-3595 (🔍)
See also: 🔍

Entryinfo

Created: 10/18/2022 10:06 PM
Updated: 11/10/2022 11:20 AM
Changes: 10/18/2022 10:06 PM (41), 11/10/2022 11:12 AM (2), 11/10/2022 11:20 AM (21)
Complete: 🔍
Cache ID: 44:4CD:40

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