Linux Kernel up to 7.0.8 media pm_runtime_put reference count

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Linux Kernel up to 7.0.8. This issue affects the function pm_runtime_put of the component media. The manipulation results in reference count. This vulnerability is cataloged as CVE-2026-46239. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 7.0.8. Affected is the function pm_runtime_put of the component media. The manipulation with an unknown input leads to a reference count vulnerability. CWE is classifying the issue as CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl Three control cases (AUTOGAIN, EXPOSURE_AUTO, ANALOGUE_GAIN) directly return without calling pm_runtime_put(), causing runtime PM reference count leaks. Change these cases from 'return' to 'ret = ... break' pattern to ensure pm_runtime_put() is always called before function exit.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2026-46239 since 05/13/2026. There are known technical details, but no exploit is available.

Upgrading to version 7.0.9 or 7.1-rc1 eliminates this vulnerability. Applying the patch 6b03ecf75bda5900b8e661eb75656f631b598bc2/f11ae9c04f8368a3b5a0280ef595198dace1c983 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.

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Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Reference count
CWE: CWE-911 / CWE-664
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 7.0.9/7.1-rc1
Patch: 6b03ecf75bda5900b8e661eb75656f631b598bc2/f11ae9c04f8368a3b5a0280ef595198dace1c983

Timelineinfo

05/13/2026 CVE reserved
05/28/2026 +15 days Advisory disclosed
05/28/2026 +0 days VulDB entry created
06/11/2026 +14 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-46239 (🔒)
GCVE (CVE): GCVE-0-2026-46239
GCVE (VulDB): GCVE-100-366744

Entryinfo

Created: 05/28/2026 13:51
Updated: 06/11/2026 15:17
Changes: 05/28/2026 13:51 (59), 06/11/2026 15:17 (10)
Complete: 🔍
Cache ID: 216::103

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