CVE-2026-72075

Local denial of service via unlocked reset callback

Published Aug 15, 2026 · Updated Aug 15, 2026

Race condition in the Linux kernel ims-pcu driver allows local users to cause a service interrupt by issuing concurrent device commands. The ims_pcu_reset_device() sysfs callback invokes ims_pcu_execute_command() without holding pcu->cmd_mutex, allowing another command to corrupt their shared buffer. Reaching the callback requires privileged write access to the device's reset_device attribute; the reported consequence is system instability or denial of service.

CVSS severity5.5
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Race condition in the Linux kernel ims-pcu driver allows local users to cause a service interrupt by issuing concurrent device commands. The ims_pcu_reset_device() sysfs callback invokes ims_pcu_execute_command() without holding pcu->cmd_mutex, allowing another command to corrupt their shared buffer. Reaching the callback requires privileged write access to the device's reset_device attribute; the reported consequence is system instability or denial of service.

The record

CVE
CVE-2026-72075
Published
Aug 15, 2026
Updated
Aug 15, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-414, CWE-362, T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.10
  2. Affected versionversion=628329d52474323938a03826941e166bc7c8eff4 <025955847e1500ced4719ac178beff6a3b2f0e3c
  3. Affected versionversion=628329d52474323938a03826941e166bc7c8eff4 <0fb84b1a3cdc74c453abc5f961c7d318c267ea4c
  4. Affected versionversion=628329d52474323938a03826941e166bc7c8eff4 <129187ec3f868829f61f6f07381ca72fe642d0b7
  5. Affected versionversion=628329d52474323938a03826941e166bc7c8eff4 <411b8c4b274737c3bf08e1e025801161603cfffc
  6. Affected versionversion=628329d52474323938a03826941e166bc7c8eff4 <54c2237fc69541c75fe4cd321622ebb8ecc3587f
  7. Affected versionversion=628329d52474323938a03826941e166bc7c8eff4 <f516cba88bf952d847e5c96d0e87f17eaae7ee6f

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=3.10; version=628329d52474323938a03826941e166bc7c8eff4 <025955847e1500ced4719ac178beff6a3b2f0e3c; version=628329d52474323938a03826941e166bc7c8eff4 <0fb84b1a3cdc74c453abc5f961c7d318c267ea4c; version=628329d52474323938a03826941e166bc7c8eff4 <129187ec3f868829f61f6f07381ca72fe642d0b7; version=628329d52474323938a03826941e166bc7c8eff4 <411b8c4b274737c3bf08e1e025801161603cfffc; version=628329d52474323938a03826941e166bc7c8eff4 <54c2237fc69541c75fe4cd321622ebb8ecc3587f; version=628329d52474323938a03826941e166bc7c8eff4 <f516cba88bf952d847e5c96d0e87f17eaae7ee6f

Published CVSS scores

1.9Amazon LinuxCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
5.5Red HatCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-414Missing Lock Check
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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