5.5
MEDIUM
CVE-2024-47677
Linux exfat Memory Leak Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: exfat: resolve memory leak from exfat_create_upcase_table() If exfat_load_upcase_table reaches end and returns -EINVAL, allocated memory doesn't get freed and while exfat_load_default_upcase_table allocates more memory, leading to a memory leak. Here's link to syzkaller crash report illustrating this issue: https://syzkaller.appspot.com/text?tag=CrashReport&x=1406c201980000

INFO

Published Date :

Oct. 21, 2024, 12:15 p.m.

Last Modified :

Oct. 22, 2024, 2:55 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-2024-47677 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
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-2024-47677.

URL Resource
https://git.kernel.org/stable/c/331ed2c739ce656a67865f6b3ee0a478349d78cb Patch
https://git.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8 Patch
https://git.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4da Patch

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-2024-47677 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-47677 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]

    Oct. 22, 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
    Changed Reference Type https://git.kernel.org/stable/c/331ed2c739ce656a67865f6b3ee0a478349d78cb No Types Assigned https://git.kernel.org/stable/c/331ed2c739ce656a67865f6b3ee0a478349d78cb Patch
    Changed Reference Type https://git.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8 No Types Assigned https://git.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8 Patch
    Changed Reference Type https://git.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4da No Types Assigned https://git.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4da Patch
    Added CWE NIST CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.8 up to (excluding) 6.10.13 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.11 up to (excluding) 6.11.2
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 21, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: exfat: resolve memory leak from exfat_create_upcase_table() If exfat_load_upcase_table reaches end and returns -EINVAL, allocated memory doesn't get freed and while exfat_load_default_upcase_table allocates more memory, leading to a memory leak. Here's link to syzkaller crash report illustrating this issue: https://syzkaller.appspot.com/text?tag=CrashReport&x=1406c201980000
    Added Reference kernel.org https://git.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4da [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/331ed2c739ce656a67865f6b3ee0a478349d78cb [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8 [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-2024-47677 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-2024-47677 weaknesses.

CVSS31 - Vulnerability Scoring System
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