CVE-2021-47423

drm/nouveau/debugfs: fix file release memory leak

MEDIUM
5.5
CVSS Score
Published: May 21, 2024 at 03:04 PM UTC
Updated: June 17, 2026 at 04:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/debugfs: fix file release memory leak When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.10 ≤ v < 4.14.2514.15 ≤ v < 4.19.2114.20 ≤ v < 5.4.1534.5 ≤ v < 4.14.2514.5 ≤ v < 4.19.2114.5 ≤ v < 4.9.2874.5 ≤ v < 5.10.734.5 ≤ v < 5.14.124.5 ≤ v < 5.154.5 ≤ v < 5.4.1535.11 ≤ v < 5.14.125.5 ≤ v < 5.10.735.15 rc15.15 rc25.15 rc35.15 rc46e9fc177399f08446293fec7607913fdbc95e191
Vendor states this is fixed in 11cd944bb87d9e575b94c07c952105eda745b459 (fixed)
Vendor states this is fixed in 1508b09945bde393326a9dab73b1fc35f672d771 (fixed)
Vendor states this is fixed in 88c3610045ca6e699331b6bb5c095c5565f30721 (fixed)
Vendor states this is fixed in 9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 (fixed)
Vendor states this is fixed in df0c9418923679bc6d0060bdb1b5bf2c755159e0 (fixed)
Vendor states this is fixed in f5a8703a9c418c6fc54eb772712dfe7641e3991c (fixed)
Vendor states this is fixed in f69556a42043b5444ca712ee889829ba89fdcba8 (fixed)
Vendor states this is fixed in 4.14.251 (unaffected)
Vendor states this is fixed in 4.19.211 (unaffected)
Vendor states this is fixed in 4.5 (unaffected)
Vendor states this is fixed in 4.9.287 (unaffected)
Vendor states this is fixed in 5.10.73 (unaffected)
Vendor states this is fixed in 5.14.12 (unaffected)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.4.153 (unaffected)

References (7)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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