CVE-2022-49091

Local denial of service via leaked display modes

Published Feb 26, 2025 · Updated May 11, 2026

A memory leak in the Linux kernel DRM i.MX parallel-display driver allows local users to exhaust memory through failed display-mode queries. imx_pd_connector_get_modes allocates a drm_display_mode object but returns after of_get_drm_display_mode fails without calling drm_mode_destroy on that object. Local low-privileged access and the relevant i.MX display path are required; repeated failures can deplete kernel memory and interrupt service.

CVSS severity5.5
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A memory leak in the Linux kernel DRM i.MX parallel-display driver allows local users to exhaust memory through failed display-mode queries. imx_pd_connector_get_modes allocates a drm_display_mode object but returns after of_get_drm_display_mode fails without calling drm_mode_destroy on that object. Local low-privileged access and the relevant i.MX display path are required; repeated failures can deplete kernel memory and interrupt service.

The record

CVE
CVE-2022-49091
Published
Feb 26, 2025
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-401, T1499.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 26, 2025CVE publishedPublication date reported by the CVE source.
  2. May 11, 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=4.8
  2. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <31e449302ed00c38d4068443cf0243279701ab28
  3. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <38bf605bd8c83d942c8dcffaef3633b7d8b37549
  4. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <41624d7c0c3df71dee170c610744aaa5909327b8
  5. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <7526102d908ec5ae777aa77723d52fce12916093
  6. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <bc23c327e1a23cc3555fa1e86288e13288515442
  7. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <bce81feb03a20fca7bbdd1c4af16b4e9d5c0e1d3
  8. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <c539a6a5896ed92bfb91494e46996d013f3d5967
  9. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <d2c2758cfb0262637fd93350bdc8ad485fb1dd61
  10. Affected versionversion=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <f8b0ef0a5889890b50482b6593bd8de544736351

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.8; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <31e449302ed00c38d4068443cf0243279701ab28; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <38bf605bd8c83d942c8dcffaef3633b7d8b37549; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <41624d7c0c3df71dee170c610744aaa5909327b8; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <7526102d908ec5ae777aa77723d52fce12916093; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <bc23c327e1a23cc3555fa1e86288e13288515442; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <bce81feb03a20fca7bbdd1c4af16b4e9d5c0e1d3; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <c539a6a5896ed92bfb91494e46996d013f3d5967; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <d2c2758cfb0262637fd93350bdc8ad485fb1dd61; version=76ecd9c9fb24b014a6f33fbb1287ede3be12158b <f8b0ef0a5889890b50482b6593bd8de544736351

Published CVSS scores

5.5NIST NVDCVSS: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-401Missing Release of Memory after Effective Lifetime
T1499.001OS Exhaustion Flood

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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