Linux Kernel up to 5.19.11/6.0 smb3 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.19.11/6.0. It has been declared as critical. The affected element is an unknown function of the component smb3. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2022-48667. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.19.11/6.0. It has been rated as critical. Affected by this issue is some unknown processing of the component smb3. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: smb3: fix temporary data corruption in insert range insert range doesn't discard the affected cached region so can risk temporarily corrupting file data. Also includes some minor cleanup (avoiding rereading inode size repeatedly unnecessarily) to make it clearer.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2022-48667 since 02/25/2024. The exploitation is known to be easy. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/18/2025).

Upgrading to version 5.19.12 or 6.0 eliminates this vulnerability. Applying the patch 0cdde8460c30/9c8b7a293f50 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.19.12/6.0
Patch: 0cdde8460c30/9c8b7a293f50

Timelineinfo

02/25/2024 🔍
04/28/2024 +62 days 🔍
04/28/2024 +0 days 🔍
09/18/2025 +508 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48667 (🔍)
GCVE (CVE): GCVE-0-2022-48667
GCVE (VulDB): GCVE-100-262268

Entryinfo

Created: 04/28/2024 16:20
Updated: 09/18/2025 18:45
Changes: 04/28/2024 16:20 (57), 09/18/2025 18:45 (13)
Complete: 🔍
Cache ID: 216::103

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