CVE-2024-45783
Grub2: fs/hfs+: refcount can be decremented twice
Description
A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn't properly set an ERRNO value. This issue may lead to a NULL pointer access.
INFO
Published Date :
Feb. 18, 2025, 8:15 p.m.
Last Modified :
May 13, 2025, 8:15 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2024-45783
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected grub2 packages.
- Update the affected Linux packages.
Public PoC/Exploit Available at Github
CVE-2024-45783 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2024-45783.
| URL | Resource |
|---|---|
| https://access.redhat.com/errata/RHSA-2025:6990 | |
| https://access.redhat.com/security/cve/CVE-2024-45783 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2345863 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-45783 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-2024-45783
weaknesses.
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).
Reviews of shim
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-45783 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-45783 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 [email protected]
May. 13, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:6990 -
New CVE Received by [email protected]
Feb. 18, 2025
Action Type Old Value New Value Added Description A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn't properly set an ERRNO value. This issue may lead to a NULL pointer access. Added CVSS V3.1 AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-911 Added Reference https://access.redhat.com/security/cve/CVE-2024-45783 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2345863