Linux Kernel up to 6.0.9 dvbdev.c dvb_register_device 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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8.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.0.9. It has been classified as very critical. This affects the function dvb_register_device of the file drivers/media/dvb-core/dvbdev.c. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2022-45884. It is possible to initiate the attack remotely. There is no exploit available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.0.9 (Operating System) and classified as very critical. Affected by this issue is the function dvb_register_device of the file drivers/media/dvb-core/dvbdev.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. CVE summarizes:

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvbdev.c has a use-after-free, related to dvb_register_device dynamically allocating fops.

The weakness was presented 11/25/2022. The advisory is available at lore.kernel.org. This vulnerability is handled as CVE-2022-45884 since 11/25/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/25/2022).

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/25/2022 🔍
11/25/2022 +0 days 🔍
11/25/2022 +0 days 🔍
11/25/2022 +0 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lore.kernel.org
Status: Confirmed

CVE: CVE-2022-45884 (🔍)
GCVE (CVE): GCVE-0-2022-45884
GCVE (VulDB): GCVE-100-214358

Entryinfo

Created: 11/25/2022 08:22
Changes: 11/25/2022 08:22 (39)
Complete: 🔍
Cache ID: 216:C3A:103

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