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CVE-2026-93131— platform/x86: dell-privacy: Fix race condition

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： platform/x86: dell-privacy: 修复竞态条件 访问 时，必须持有列表互斥锁（list mutex），否则 结构体可能在任意时刻被释放，导致内存被提前回收而引发竞态条件。

AI Predicted 5.5 Difficulty: Hard EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 8af9fa37b8a3637832cbf8fdd9bd828bd5f0de66< 239ae86b7c97341f49d2ba32037ee3ddbaf0f1ab affected
8af9fa37b8a3637832cbf8fdd9bd828bd5f0de66< 2d2108685a491b369f95774d0a7579d6e5287215 affected
8af9fa37b8a3637832cbf8fdd9bd828bd5f0de66< a22beeb90475b5f71a477564eecf764b24f47277 affected
8af9fa37b8a3637832cbf8fdd9bd828bd5f0de66< f3c4532f6dac8fb5504d342e2a15e6353e5eb56e affected
8af9fa37b8a3637832cbf8fdd9bd828bd5f0de66< 9f860050c3d17ff8499d3998f7534d306c3da50a affected
8af9fa37b8a3637832cbf8fdd9bd828bd5f0de66< ef59ff891adf9bd696917f71f841fdb23c245790 affected
8af9fa37b8a3637832cbf8fdd9bd828bd5f0de66< ca9338dbc64759b30741b12017c050b33c94dfa2 affected
5.14 affected
… +8 more rows
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I. Basic Information for CVE-2026-93131

Vulnerability Information
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Vulnerability Title
platform/x86: dell-privacy: Fix race condition
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-privacy: Fix race condition Accessing priv->features_present needs to happen with the list mutex being held, otherwise priv can be freed at any moment.
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 8af9fa37b8a3637832cbf8fdd9bd828bd5f0de66 ~ 239ae86b7c97341f49d2ba32037ee3ddbaf0f1ab -
Linux Linux 5.14 -

II. Public POCs for CVE-2026-93131

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III. Intelligence Information for CVE-2026-93131

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Patches & Fixes for CVE-2026-93131 (7)

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-2026-90235 9.8 CRITICAL sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE
CVE-2026-90104 9.8 CRITICAL NFSv4.1: zero referring call lists before decoding
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

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-93131

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