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CVE-2026-93194— drm/rockchip: dw_dp: Release core resources

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.

在 Linux 内核中，已修复以下漏洞： drm/rockchip: dw_dp: 释放核心资源 诸如 DisplayPort AUX 通道等核心资源会在 函数中完成初始化和注册，但从未被注销。这可能导致内存泄漏和/或释放后使用（use-after-free）问题： 由于之前的某个提交已在 DW DP 核心库中导出了 函数，用于执行必要的清理工作，因此在组件的 回调以及其 函数的错误处理路径中，均应使用该函数进行资源释放。

AI Predicted 7.1 Difficulty: Hard EPSS 0.18% · P8

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux d68ba7bac9555d05e2f5b310c898b2a5c7eff174< 362e005b816ee8052a195b98d845966689b398a1 affected
d68ba7bac9555d05e2f5b310c898b2a5c7eff174< 11f07929f454ecc2c5d0da3a4727fd205be43e49 affected
d68ba7bac9555d05e2f5b310c898b2a5c7eff174< cc6d7aca2f37a1525a94ef97eb3ce361732c876c affected
6.18 affected
< 6.18 unaffected
6.18.52≤ 6.18.* unaffected
7.2.6≤ 7.2.* unaffected
7.3-rc1≤ * unaffected
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I. Basic Information for CVE-2026-93194

Vulnerability Information
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Vulnerability Title
drm/rockchip: dw_dp: Release core resources
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: dw_dp: Release core resources Core resources such as the DisplayPort AUX channel get initialized and registered during dw_dp_bind(), but are never unregistered, which may lead to memory leaks and/or use-after-free: [ 224.661371] BUG: KASAN: slab-use-after-free in device_is_dependent+0xe0/0x2b0 [ 224.662015] Read of size 8 at addr ffff00011aee8550 by task modprobe/658 [ 224.662612] [ 224.662752] CPU: 7 UID: 0 PID: 658 Comm: modprobe Not tainted 7.0.0-rc2-next-20260305 #14 PREEMPT [ 224.662759] Hardware name: Radxa ROCK 5B (DT) [ 224.662762] Call trace: [ 224.662764] show_stack+0x20/0x38 (C) [ 224.662772] dump_stack_lvl+0x6c/0x98 [ 224.662777] print_report+0x160/0x4b8 [ 224.662783] kasan_report+0xb4/0xe0 [ 224.662790] __asan_report_load8_noabort+0x20/0x30 [ 224.662796] device_is_dependent+0xe0/0x2b0 [ 224.662802] device_is_dependent+0x108/0x2b0 [ 224.662808] device_link_add+0x1f8/0x10b0 [ 224.662813] devm_of_phy_get_by_index+0x120/0x200 [ 224.662819] dw_dp_bind+0x34c/0xb10 [dw_dp] [ 224.662830] dw_dp_rockchip_bind+0x194/0x250 [rockchipdrm] [ 224.662864] component_bind_all+0x3a8/0x720 [ 224.662869] rockchip_drm_bind+0x120/0x390 [rockchipdrm] [ 224.662899] try_to_bring_up_aggregate_device+0x76c/0x838 [ 224.662904] component_master_add_with_match+0x1f4/0x230 [ 224.662909] rockchip_drm_platform_probe+0x420/0x538 [rockchipdrm] [ 224.662939] platform_probe+0xe8/0x168 [ 224.662945] really_probe+0x340/0x828 [ 224.662950] __driver_probe_device+0x2e0/0x350 [ 224.662954] driver_probe_device+0x80/0x140 [ 224.662959] __driver_attach+0x398/0x460 [ 224.662964] bus_for_each_dev+0xe0/0x198 [ 224.662968] driver_attach+0x50/0x68 [ 224.662972] bus_add_driver+0x2a0/0x4c0 [ 224.662977] driver_register+0x294/0x360 [ 224.662982] __platform_driver_register+0x7c/0x98 [ 224.662987] rockchip_drm_init+0xc4/0xff8 [rockchipdrm] Since a previous commit exported dw_dp_unbind() function in DW DP core library to take care of the necessary cleanup, use this in the component's unbind() callback, as well as in its bind() error path.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux d68ba7bac9555d05e2f5b310c898b2a5c7eff174 ~ 362e005b816ee8052a195b98d845966689b398a1 -
Linux Linux 6.18 -

II. Public POCs for CVE-2026-93194

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III. Intelligence Information for CVE-2026-93194

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Patches & Fixes for CVE-2026-93194 (3)

Same Patch Batch · Linux · 2026-09-17 · 600 CVEs total

CVE-2026-92489 9.8 CRITICAL xfrm: Fix skb double-free in xfrm_dev_direct_output()
CVE-2026-90151 9.8 CRITICAL NFSv4: remove callback IDR entry on client allocation failure
CVE-2026-90104 9.8 CRITICAL NFSv4.1: zero referring call lists before decoding
CVE-2026-90235 9.8 CRITICAL sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE
CVE-2026-90173 9.8 CRITICAL smb: smbdirect: free completion queues with ib_free_cq()
CVE-2026-90110 9.4 CRITICAL inetpeer: randomize RB-tree node comparison using SipHash
CVE-2026-90230 9.1 CRITICAL nvmet: fix heap out-of-bounds read in nvmet_auth_negotiate()
CVE-2026-90413 9.1 CRITICAL IB/isert: reject login PDUs declaring more data than was received
CVE-2026-90414 9.1 CRITICAL IB/isert: reject PDUs declaring more data than was received
CVE-2026-90425 8.8 HIGH iommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID
CVE-2026-93042 8.8 HIGH dmaengine: dw-edma: Terminate all descriptors without callbacks
CVE-2026-93189 8.8 HIGH HID: core: quiesce input in hid_hw_stop() to prevent use-after-free
CVE-2026-90329 8.8 HIGH HID: synchronize input before cleaning up a failed probe
CVE-2026-90357 8.8 HIGH wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement
CVE-2026-90256 8.8 HIGH Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind
CVE-2026-90367 8.8 HIGH wifi: mt76: mt7996: hold dev->mt76.mutex while disabling tx worker in SER
CVE-2026-90381 8.8 HIGH wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()
CVE-2026-90379 8.8 HIGH wifi: mt76: mt7921: Add PCIe AER handler support to prevent system crash
CVE-2026-90380 8.8 HIGH wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete
CVE-2026-90371 8.8 HIGH wifi: mt76: fix RXDMAD_C buffer recycling race

Showing top 20 of 600 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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