5.5
MEDIUM
CVE-2021-47423
Nouveau Linux Kernel Memory Leak (Release)
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.

INFO

Published Date :

May 21, 2024, 3:15 p.m.

Last Modified :

Dec. 30, 2024, 7:36 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-47423 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-47423 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47423 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 30, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE NIST CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.287 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.251 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.211 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.153 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.73 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.14.12 *cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
    Changed Reference Type https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 No Types Assigned https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 Patch
    Changed Reference Type https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 No Types Assigned https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 Patch
    Changed Reference Type https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 No Types Assigned https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 Patch
    Changed Reference Type https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 No Types Assigned https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 Patch
    Changed Reference Type https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 No Types Assigned https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 Patch
    Changed Reference Type https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 No Types Assigned https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 Patch
    Changed Reference Type https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 No Types Assigned https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 Patch
    Changed Reference Type https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 No Types Assigned https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 Patch
    Changed Reference Type https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 No Types Assigned https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 Patch
    Changed Reference Type https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 No Types Assigned https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 Patch
    Changed Reference Type https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c No Types Assigned https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c Patch
    Changed Reference Type https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c No Types Assigned https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c Patch
    Changed Reference Type https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 No Types Assigned https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 Patch
    Changed Reference Type https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 No Types Assigned https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 Patch
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459
    Added Reference https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771
    Added Reference https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721
    Added Reference https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43
    Added Reference https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0
    Added Reference https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c
    Added Reference https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 21, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference kernel.org https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47423 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-47423 weaknesses.

CVSS31 - Vulnerability Scoring System
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Latest DB Update: May. 15, 2025 0:57