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CVE-2026-68280— drm/bridge: cdns-dsi: Replace deprecated UNIVERSAL_DEV_PM_OPS()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel存在安全漏洞，该漏洞源于使用已废弃的UNIVERSAL_DEV_PM_OPS()宏，导致DSI时钟在运行时挂起和系统挂起时被重复禁用，可能触发时钟框架警告。

AI Predicted 5.5 Difficulty: Easy EPSS 0.18% · P8

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux e19233955d9e9a9ae202723b9a38ef38e755b5c0< 1014b279264c0fc9f56324608754e36d33b7b5ae affected
e19233955d9e9a9ae202723b9a38ef38e755b5c0< c18d46d9830c29677be5213a067daafe1ac80e43 affected
e19233955d9e9a9ae202723b9a38ef38e755b5c0< 347bc3a6a4d968c403d2292e5ad986294d919dfc affected
e19233955d9e9a9ae202723b9a38ef38e755b5c0< c0384d6872f4dc2701960048a0be1a12a8d2dc6e affected
e19233955d9e9a9ae202723b9a38ef38e755b5c0< 1f9c6b74e79639179e90ad0c0fbeae26e31e044b affected
e19233955d9e9a9ae202723b9a38ef38e755b5c0< 2d8b08844c0ecc6f2002fa68711e779aa18c8585 affected
4.18 affected
< 4.18 unaffected
… +6 more rows
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I. Basic Information for CVE-2026-68280

Vulnerability Information
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Vulnerability Title
drm/bridge: cdns-dsi: Replace deprecated UNIVERSAL_DEV_PM_OPS()
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel存在安全漏洞，该漏洞源于使用已废弃的UNIVERSAL_DEV_PM_OPS()宏，导致DSI时钟在运行时挂起和系统挂起时被重复禁用，可能触发时钟框架警告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux e19233955d9e9a9ae202723b9a38ef38e755b5c0 ~ 1014b279264c0fc9f56324608754e36d33b7b5ae -
Linux Linux 4.18 -

II. Public POCs for CVE-2026-68280

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III. Intelligence Information for CVE-2026-68280

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Patches & Fixes for CVE-2026-68280 (6)

Same Patch Batch · Linux · 2026-08-10 · 344 CVEs total

CVE-2026-68161 9.8 CRITICAL sctp: close UDP tunnel sockets during netns teardown
CVE-2026-68123 9.8 CRITICAL openvswitch: fix GSO userspace truncation underflow
CVE-2026-68127 9.8 CRITICAL ila: reload IPv6 header after pskb_may_pull in checksum adjust
CVE-2026-68117 9.8 CRITICAL tipc: clear sock->sk on the failed-insert path in tipc_sk_create()
CVE-2026-68136 9.8 CRITICAL net: gro: fix double aggregation of flush-marked skbs
CVE-2026-68137 9.8 CRITICAL net/x25: fix use-after-free in x25_kill_by_neigh()
CVE-2026-68300 9.8 CRITICAL sctp: auth: verify auth requirement when auth_chunk is NULL
CVE-2026-68144 9.8 CRITICAL phonet: pep: fix use-after-free in pep_get_sb()
CVE-2026-68154 9.8 CRITICAL libceph: reject zero bucket types in crush_decode
CVE-2026-68156 9.8 CRITICAL libceph: refresh auth->authorizer_buf{,_len} after authorizer update
CVE-2026-68158 9.8 CRITICAL libceph: Fix multiplication overflow in decode_new_up_state_weight()
CVE-2026-68159 9.8 CRITICAL libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE
CVE-2026-68160 9.8 CRITICAL ceph: fix pre-auth out-of-bounds read on snaptrace in ceph_handle_caps()
CVE-2026-68302 9.8 CRITICAL amt: re-read skb header pointers after every pull
CVE-2026-68170 9.8 CRITICAL mptcp: fix stale skb->sk reference on subflow close
CVE-2026-68426 9.8 CRITICAL xfrm: fix stale skb->prev after async crypto steals a GSO segment
CVE-2026-68388 9.8 CRITICAL smb/client: handle overlapping allocated ranges in fallocate
CVE-2026-68385 9.8 CRITICAL s390/checksum: Fix csum_partial() without vector facility
CVE-2026-68381 9.8 CRITICAL ksmbd: pin conn during async oplock break notification
CVE-2026-68124 9.6 CRITICAL mctp: serial: handle zero-length frames to prevent rx buffer overflow

Showing top 20 of 344 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-68280

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