FKIE_CVE-2026-68280
Vulnerability from fkie_nvd - Published: 2026-08-10 13:20 - Updated: 2026-08-17 05:18
Severity
Summary
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.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "c18d46d9830c29677be5213a067daafe1ac80e43",
"status": "affected",
"version": "e19233955d9e9a9ae202723b9a38ef38e755b5c0",
"versionType": "git"
},
{
"lessThan": "347bc3a6a4d968c403d2292e5ad986294d919dfc",
"status": "affected",
"version": "e19233955d9e9a9ae202723b9a38ef38e755b5c0",
"versionType": "git"
},
{
"lessThan": "c0384d6872f4dc2701960048a0be1a12a8d2dc6e",
"status": "affected",
"version": "e19233955d9e9a9ae202723b9a38ef38e755b5c0",
"versionType": "git"
},
{
"lessThan": "1f9c6b74e79639179e90ad0c0fbeae26e31e044b",
"status": "affected",
"version": "e19233955d9e9a9ae202723b9a38ef38e755b5c0",
"versionType": "git"
},
{
"lessThan": "2d8b08844c0ecc6f2002fa68711e779aa18c8585",
"status": "affected",
"version": "e19233955d9e9a9ae202723b9a38ef38e755b5c0",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.18"
},
{
"lessThan": "4.18",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.148",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.101",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.42",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: cdns-dsi: Replace deprecated UNIVERSAL_DEV_PM_OPS()\n\nThe deprecated UNIVERSAL_DEV_PM_OPS() macro uses the provided callbacks\nfor both runtime PM and system sleep. This causes the DSI clocks to be\ndisabled twice: once during runtime suspend and again during system\nsuspend, resulting in a WARN message from the clock framework when\nattempting to disable already-disabled clocks.\n\n[ 84.384540] clk:231:5 already disabled\n[ 84.388314] WARNING: CPU: 2 PID: 531 at /drivers/clk/clk.c:1181 clk_core_disable+0xa4/0xac\n...\n[ 84.579183] Call trace:\n[ 84.581624] clk_core_disable+0xa4/0xac\n[ 84.585457] clk_disable+0x30/0x4c\n[ 84.588857] cdns_dsi_suspend+0x20/0x58 [cdns_dsi]\n[ 84.593651] pm_generic_suspend+0x2c/0x44\n[ 84.597661] ti_sci_pd_suspend+0xbc/0x15c\n[ 84.601670] dpm_run_callback+0x8c/0x14c\n[ 84.605588] __device_suspend+0x1a0/0x56c\n[ 84.609594] dpm_suspend+0x17c/0x21c\n[ 84.613165] dpm_suspend_start+0xa0/0xa8\n[ 84.617083] suspend_devices_and_enter+0x12c/0x634\n[ 84.621872] pm_suspend+0x1fc/0x368\n\nTo address this issue, replace UNIVERSAL_DEV_PM_OPS() with\nRUNTIME_PM_OPS(). Bridge and panel drivers should only deal with runtime\nPM, as the DRM framework manages system-wide power transitions through\nthe bridge enable() and disable() hooks."
}
],
"id": "CVE-2026-68280",
"lastModified": "2026-08-17T05:18:30.590",
"metrics": {},
"published": "2026-08-10T13:20:17.170",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/1f9c6b74e79639179e90ad0c0fbeae26e31e044b"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/2d8b08844c0ecc6f2002fa68711e779aa18c8585"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/347bc3a6a4d968c403d2292e5ad986294d919dfc"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/c0384d6872f4dc2701960048a0be1a12a8d2dc6e"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/c18d46d9830c29677be5213a067daafe1ac80e43"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Received"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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