Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5 cdns-dsi /drivers/clk/clk.c UNIVERSAL_DEV_PM_OPS exceptional condition

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00+

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5. The impacted element is the function UNIVERSAL_DEV_PM_OPS of the file /drivers/clk/clk.c of the component cdns-dsi. Performing a manipulation results in exceptional condition. This vulnerability is cataloged as CVE-2026-68280. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5. This affects the function UNIVERSAL_DEV_PM_OPS of the file /drivers/clk/clk.c of the component cdns-dsi. The manipulation with an unknown input leads to a exceptional condition vulnerability. CWE is classifying the issue as CWE-755. The product does not handle or incorrectly handles an exceptional condition. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: cdns-dsi: Replace deprecated UNIVERSAL_DEV_PM_OPS() The deprecated UNIVERSAL_DEV_PM_OPS() macro uses the provided callbacks for both runtime PM and system sleep. This causes the DSI clocks to be disabled twice: once during runtime suspend and again during system suspend, resulting in a WARN message from the clock framework when attempting to disable already-disabled clocks. [ 84.384540] clk:231:5 already disabled [ 84.388314] WARNING: CPU: 2 PID: 531 at /drivers/clk/clk.c:1181 clk_core_disable+0xa4/0xac ... [ 84.579183] Call trace: [ 84.581624] clk_core_disable+0xa4/0xac [ 84.585457] clk_disable+0x30/0x4c [ 84.588857] cdns_dsi_suspend+0x20/0x58 [cdns_dsi] [ 84.593651] pm_generic_suspend+0x2c/0x44 [ 84.597661] ti_sci_pd_suspend+0xbc/0x15c [ 84.601670] dpm_run_callback+0x8c/0x14c [ 84.605588] __device_suspend+0x1a0/0x56c [ 84.609594] dpm_suspend+0x17c/0x21c [ 84.613165] dpm_suspend_start+0xa0/0xa8 [ 84.617083] suspend_devices_and_enter+0x12c/0x634 [ 84.621872] pm_suspend+0x1fc/0x368 To address this issue, replace UNIVERSAL_DEV_PM_OPS() with RUNTIME_PM_OPS(). Bridge and panel drivers should only deal with runtime PM, as the DRM framework manages system-wide power transitions through the bridge enable() and disable() hooks.

The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2026-68280 since 07/30/2026. The exploitability is told to be easy. An attack has to be approached locally. 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 08/10/2026).

Upgrading to version 6.6.148, 6.12.101, 6.18.42, 7.1.6 or 7.2-rc1 eliminates this vulnerability. Applying the patch c18d46d9830c29677be5213a067daafe1ac80e43/347bc3a6a4d968c403d2292e5ad986294d919dfc/c0384d6872f4dc2701960048a0be1a12a8d2dc6e/1f9c6b74e79639179e90ad0c0fbeae26e31e044b/2d8b08844c0ecc6f2002fa68711e779aa18c8585 is able to eliminate this problem.

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Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Exceptional condition
CWE: CWE-755
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
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 6.6.148/6.12.101/6.18.42/7.1.6/7.2-rc1
Patch: c18d46d9830c29677be5213a067daafe1ac80e43/347bc3a6a4d968c403d2292e5ad986294d919dfc/c0384d6872f4dc2701960048a0be1a12a8d2dc6e/1f9c6b74e79639179e90ad0c0fbeae26e31e044b/2d8b08844c0ecc6f2002fa68711e779aa18c8585

Timelineinfo

07/30/2026 CVE reserved
08/10/2026 +11 days Advisory disclosed
08/10/2026 +0 days VulDB entry created
08/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-68280 (🔒)
GCVE (CVE): GCVE-0-2026-68280
GCVE (VulDB): GCVE-100-387669

Entryinfo

Created: 08/10/2026 17:24
Changes: 08/10/2026 17:24 (60)
Complete: 🔍
Cache ID: 216::103

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