5.5
MEDIUM
CVE-2024-50091
Linux Kernel dm vdo Double Free
Description

In the Linux kernel, the following vulnerability has been resolved: dm vdo: don't refer to dedupe_context after releasing it Clear the dedupe_context pointer in a data_vio whenever ownership of the context is lost, so that vdo can't examine it accidentally.

INFO

Published Date :

Nov. 5, 2024, 5:15 p.m.

Last Modified :

Nov. 12, 2024, 9:44 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-2024-50091 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-2024-50091.

URL Resource
https://git.kernel.org/stable/c/0808ebf2f80b962e75741a41ced372a7116f1e26 Patch
https://git.kernel.org/stable/c/63ef073084c67878d7a92e15ad055172da3f05a3 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-2024-50091 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-50091 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]

    Nov. 12, 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/0808ebf2f80b962e75741a41ced372a7116f1e26 No Types Assigned https://git.kernel.org/stable/c/0808ebf2f80b962e75741a41ced372a7116f1e26 Patch
    Changed Reference Type https://git.kernel.org/stable/c/63ef073084c67878d7a92e15ad055172da3f05a3 No Types Assigned https://git.kernel.org/stable/c/63ef073084c67878d7a92e15ad055172da3f05a3 Patch
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.11.4
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Nov. 05, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: dm vdo: don't refer to dedupe_context after releasing it Clear the dedupe_context pointer in a data_vio whenever ownership of the context is lost, so that vdo can't examine it accidentally.
    Added Reference kernel.org https://git.kernel.org/stable/c/63ef073084c67878d7a92e15ad055172da3f05a3 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/0808ebf2f80b962e75741a41ced372a7116f1e26 [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-2024-50091 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-2024-50091 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
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