Linux Kernel up to 5.19.16/6.0.2 fsi 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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7.6$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel up to 5.19.16/6.0.2. Affected is an unknown function of the component fsi. This manipulation causes use after free. This vulnerability is registered as CVE-2022-50785. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 5.19.16/6.0.2 and classified as critical. Affected by this vulnerability is an unknown code of the component fsi. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: fsi: occ: Prevent use after free Use get_device and put_device in the open and close functions to make sure the device doesn't get freed while a file descriptor is open. Also, lock around the freeing of the device buffer and check the buffer before using it in the submit function.

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2022-50785 since 12/24/2025. The exploitation appears to be easy. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/30/2025).

Upgrading to version 5.19.17 or 6.0.3 eliminates this vulnerability. Applying the patch 1d5ad0a874ddfcee9f932f54b1d34cbe8b9ddcfe/3593e8efc9f0dac6be70bd5c964eadaa86bf2713/d3e1e24604031b0d83b6c2d38f54eeea265cfcc0 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.

Statistical analysis made it clear that VulDB provides the best quality 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: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
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: 🔒

Physical: No
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.19.17/6.0.3
Patch: 1d5ad0a874ddfcee9f932f54b1d34cbe8b9ddcfe/3593e8efc9f0dac6be70bd5c964eadaa86bf2713/d3e1e24604031b0d83b6c2d38f54eeea265cfcc0

Timelineinfo

12/24/2025 CVE reserved
12/30/2025 +6 days Advisory disclosed
12/30/2025 +0 days VulDB entry created
12/30/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50785 (🔒)
GCVE (CVE): GCVE-0-2022-50785
GCVE (VulDB): GCVE-100-338755

Entryinfo

Created: 12/30/2025 15:03
Changes: 12/30/2025 15:03 (58)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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