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CVE-2024-45783

Grub2: fs/hfs+: refcount can be decremented twice

Published: Feb 18, 2025Updated: May 13, 2025 Sources: CVE List NVD BDUCWE-911
NVD MITRE
4.4CVSSMEDIUM
EPSS Score
0.2%
Top 88.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-911

Affected Products

Red Hat Enterprise Linux 9Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 10Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 7Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8Red Hat
On-premOS
Operating Systems / linux-distro
red hatcommercialUSOperating Systemsaka red hat
and 25 more affected products View all →

Exploitability

Official Patch Available
Workaround Available

References

https://access.redhat.com/errata/RHSA-2025:6990
access.redhat.com
https://access.redhat.com/security/cve/CVE-2024-45783
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2345863
bugzilla.redhat.com
and 8 more references View all →

Timeline

Published
Feb 18, 2025
Last Updated
May 13, 2025

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