---
id: CVE-2026-43287
title: 'drm: Account property blob allocations to memcg'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm: Account property blob allocations to memcg

  DRM_IOCTL_MODE_CREATEPROPBLOB allows userspace to allocate arbitrary-sized
  property blobs backed by kernel memory.

  Cur…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a <
    b6117210ed349356f8e6027ff020b4d620bca42b
  - >-
    Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a <
    815fa29cab3c67bebb9d0b5f41145cdd3a14d04d
  - >-
    Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a <
    866e0c1a9e7244d58ed74853cb22b81e1900cfdd
  - >-
    Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a <
    bbfaa5761f589a81031b493cb01275a990d6fb25
  - >-
    Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a <
    8e1664b9ee43608eb973d357ae5d858d30cbc9ca
  - >-
    Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a <
    cb8b9a1755fe9f38e4fb7f287486d7e7fab3dba4
  - >-
    Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a <
    405fd652d8fedff219a8f48daf8f20e881e303ab
  - >-
    Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a <
    26b4309a3ab82a0697751cde52eb336c29c19035
  - Linux 4.2
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T15:33:21.346571Z'
published: '2026-05-08'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T15:42:46.730Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-43287'
references:
  - url: 'https://git.kernel.org/stable/c/b6117210ed349356f8e6027ff020b4d620bca42b'
  - url: 'https://git.kernel.org/stable/c/815fa29cab3c67bebb9d0b5f41145cdd3a14d04d'
  - url: 'https://git.kernel.org/stable/c/866e0c1a9e7244d58ed74853cb22b81e1900cfdd'
  - url: 'https://git.kernel.org/stable/c/bbfaa5761f589a81031b493cb01275a990d6fb25'
  - url: 'https://git.kernel.org/stable/c/8e1664b9ee43608eb973d357ae5d858d30cbc9ca'
  - url: 'https://git.kernel.org/stable/c/cb8b9a1755fe9f38e4fb7f287486d7e7fab3dba4'
  - url: 'https://git.kernel.org/stable/c/405fd652d8fedff219a8f48daf8f20e881e303ab'
  - url: 'https://git.kernel.org/stable/c/26b4309a3ab82a0697751cde52eb336c29c19035'
tags:
  - cve.org
epss: 0.00123
epssPercentile: 0.02058
ingestedAt: '2026-11-06T15:54:03.946Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

drm: Account property blob allocations to memcg

DRM_IOCTL_MODE_CREATEPROPBLOB allows userspace to allocate arbitrary-sized
property blobs backed by kernel memory.

Currently, the blob data allocation is not accounted to the allocating
process's memory cgroup, allowing unprivileged users to trigger unbounded
kernel memory consumption and potentially cause system-wide OOM.

Mark the property blob data allocation with GFP_KERNEL_ACCOUNT so that the memory
is properly charged to the caller's memcg. This ensures existing cgroup
memory limits apply and prevents uncontrolled kernel memory growth without
introducing additional policy or per-file limits.

## Affected

- `Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a < b6117210ed349356f8e6027ff020b4d620bca42b`
- `Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a < 815fa29cab3c67bebb9d0b5f41145cdd3a14d04d`
- `Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a < 866e0c1a9e7244d58ed74853cb22b81e1900cfdd`
- `Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a < bbfaa5761f589a81031b493cb01275a990d6fb25`
- `Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a < 8e1664b9ee43608eb973d357ae5d858d30cbc9ca`
- `Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a < cb8b9a1755fe9f38e4fb7f287486d7e7fab3dba4`
- `Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a < 405fd652d8fedff219a8f48daf8f20e881e303ab`
- `Linux >= e2f5d2ea479b9b2619965d43db70939589afe43a < 26b4309a3ab82a0697751cde52eb336c29c19035`
- `Linux 4.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.