0.0
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CVE-2021-47116
Linux ext4 Memory Leak Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_mb_init_backend on error path. Fix a memory leak discovered by syzbot when a file system is corrupted with an illegally large s_log_groups_per_flex.

INFO

Published Date :

March 15, 2024, 9:15 p.m.

Last Modified :

March 17, 2024, 10:38 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

Exploitability Score :

Public PoC/Exploit Available at Github

CVE-2021-47116 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-47116 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
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47116.

URL Resource
https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0
https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49
https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5

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).

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NaInSec/CVE-LIST

Ini adalah repository kumpulan CVE v.5

allcve cve cvelist newcve

Updated: 1 month, 3 weeks ago
2 stars 0 fork 0 watcher
Born at : March 24, 2024, 3:01 p.m. This repo has been linked 1214 different CVEs too.

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

The following list is the news that have been mention CVE-2021-47116 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47116 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.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

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

    May. 14, 2024

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

    Mar. 15, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_mb_init_backend on error path. Fix a memory leak discovered by syzbot when a file system is corrupted with an illegally large s_log_groups_per_flex.
    Added Reference kernel.org https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5 [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-2021-47116 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-2021-47116 weaknesses.

NONE - Vulnerability Scoring System
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