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CVE-2026-46292· NVD / CVE Program· CNA Linux

pmdomain: core: Fix detach procedure for virtual devices in genpd

In the Linux kernel, the following vulnerability has been resolved: pmdomain: core: Fix detach procedure for virtual devices in genpd If a device is attached to a PM domain through genpd_dev_pm_attach_by_id(), genpd calls pm_runtime_enable() for the corresponding virtual device that it registers. While this avoids boilerplate code in drivers, there is no corresponding call to pm_runtime_disable() in genpd_dev_pm_detach(). This means these virtual devices are typically detached from its genpd, while runtime PM remains enabled for them, which is not how things are designed to work. In worst cases it may lead to critical errors, like a NULL pointer dereference bug in genpd_runtime_suspend(), which was recently reported. For another case, we may end up keeping an unnecessary vote for a performance state for the device. To fix these problems, let's add this missing call to pm_runtime_disable() in genpd_dev_pm_detach().

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Jun 8, 2026
Updated
Jul 23, 2026
EPSS
0.2% · 5th percentile
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel4.18 and later · before 5.10.259
  • linux linux kernel5.11 and later · before 5.15.210
  • linux linux kernel5.16 and later · before 6.1.176
  • linux linux kernel6.2 and later · before 6.6.141
  • linux linux kernel6.7 and later · before 6.12.88
  • linux linux kernel6.13 and later · before 6.18.30
  • linux linux kernel6.19 and later · before 7.0.7
  • linux linux kernel7.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 4.18affected
    • 3c095f32a92be4d07f3172a777dab1aacdb6a728 and later · before e8f8dad44f024a5c99e54a48ad5c943fa8e54319affected · git
    • 3c095f32a92be4d07f3172a777dab1aacdb6a728 and later · before 98b8104978474d381256a2b2fb0e7ca8e05a7bfaaffected · git
    • 3c095f32a92be4d07f3172a777dab1aacdb6a728 and later · before 52e485ed0dcb5496864003ba9ffcef7d5b613f83affected · git
    • 3c095f32a92be4d07f3172a777dab1aacdb6a728 and later · before 707cb5df3eab32ddc52979418f7ace62941e6381affected · git
    • 3c095f32a92be4d07f3172a777dab1aacdb6a728 and later · before 361518a26e4434e879db6ff43bf364795dcbfbffaffected · git
    • 3c095f32a92be4d07f3172a777dab1aacdb6a728 and later · before 51a7dd9cbae9210335ce398642ecaaa52c939eb5affected · git
    • 3c095f32a92be4d07f3172a777dab1aacdb6a728 and later · before 8d44391a7f29e4601e8243f13498d0219bab2576affected · git
    • 3c095f32a92be4d07f3172a777dab1aacdb6a728 and later · before 26735dfdd8930d9ef1fa92e590a9bf77726efdf6affected · git
    • before 4.18not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.176-16.1.176-1
Debian:13linuxbefore 6.12.88-16.12.88-1
Debian:14linuxbefore 7.0.7-17.0.7-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now
  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
    83Now
  • CVE-2019-13272In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to creKEV
    77This week
  • CVE-2013-6282The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addKEV
    77This week
  • CVE-2013-2094The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows loKEV
    77This week

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux26735dfdd8930d9ef1fa92e590a9bf77726efdf6Vendor (CNA)
Linux Linux361518a26e4434e879db6ff43bf364795dcbfbffVendor (CNA)
Linux Linux51a7dd9cbae9210335ce398642ecaaa52c939eb5Vendor (CNA)
Linux Linux52e485ed0dcb5496864003ba9ffcef7d5b613f83Vendor (CNA)
Linux Linux707cb5df3eab32ddc52979418f7ace62941e6381Vendor (CNA)
Linux Linux8d44391a7f29e4601e8243f13498d0219bab2576Vendor (CNA)
Linux Linux98b8104978474d381256a2b2fb0e7ca8e05a7bfaVendor (CNA)
Linux Linuxe8f8dad44f024a5c99e54a48ad5c943fa8e54319Vendor (CNA)
Debian:linux6.1.176-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2022-50189355 days aparttools/power turbostat: Fix file pointer leak
    28Monitor
  • CVE-2026-5315417 days apartmm/hugetlb: restore reservation on error in hugetlb folio copy paths
    22Monitor
  • CVE-2026-5325117 days apartBluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync
    22Monitor
  • CVE-2026-4331431 days apartdm: remove fake timeout to avoid leak request
    22Monitor
  • CVE-2026-4325733 days apartmedia: cx88: Add missing unmap in snd_cx88_hw_params()
    22Monitor
  • CVE-2026-4305438 days apartscsi: target: tcm_loop: Drain commands in target_reset handler
    22Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-772 · Missing Release of Resource after Effective Lifetime

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records