Linux Kernel up to 6.0.9 dvb_net.c dvb_device_open use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.0.9. It has been rated as critical. This issue affects the function dvb_device_open of the file drivers/media/dvb-core/dvb_net.c. The manipulation leads to use after free. This vulnerability is documented as CVE-2022-45886. It is possible to launch the attack on the physical device. There is not any exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.0.9 (Operating System). It has been rated as critical. This issue affects the function dvb_device_open of the file drivers/media/dvb-core/dvb_net.c. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.

The weakness was released 11/25/2022. The advisory is shared at lore.kernel.org. The identification of this vulnerability is CVE-2022-45886 since 11/25/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/17/2025).

The vulnerability scanner Nessus provides a plugin with the ID 240010 (TencentOS Server 2: kernel (TSSA-2024:1031)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (240010). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 240010
Nessus Name: TencentOS Server 2: kernel (TSSA-2024:1031)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/25/2022 🔍
11/25/2022 +0 days 🔍
11/25/2022 +0 days 🔍
06/17/2025 +935 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lore.kernel.org
Status: Confirmed

CVE: CVE-2022-45886 (🔍)
GCVE (CVE): GCVE-0-2022-45886
GCVE (VulDB): GCVE-100-214361

Entryinfo

Created: 11/25/2022 08:29
Updated: 06/17/2025 16:23
Changes: 11/25/2022 08:29 (39), 12/23/2022 09:49 (11), 06/17/2025 16:23 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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