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Vulnerability Details :

CVE-2025-0622

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-18 Feb, 2025 | 19:26
Updated At-24 Mar, 2026 | 22:45
Rejected At-
Credits

Grub2: command/gpg: use-after-free due to hooks not being removed on module unload

A flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited, this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass secure boot protections.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:18 Feb, 2025 | 19:26
Updated At:24 Mar, 2026 | 22:45
Rejected At:
▼CVE Numbering Authority (CNA)
Grub2: command/gpg: use-after-free due to hooks not being removed on module unload

A flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited, this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass secure boot protections.

Affected Products
Collection URL
https://www.gnu.org/software/grub/
Package Name
grub2
Default Status
unaffected
Versions
Affected
  • From 0 through 2.12 (semver)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
grub2
CPEs
  • cpe:/o:redhat:enterprise_linux:10.0
Default Status
affected
Versions
Unaffected
  • From 1:2.12-15.el10_0 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
grub2
CPEs
  • cpe:/o:redhat:enterprise_linux:9::baseos
Default Status
affected
Versions
Unaffected
  • From 1:2.06-104.el9_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
grub2
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
unknown
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
grub2
CPEs
  • cpe:/o:redhat:enterprise_linux:8
Default Status
unknown
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat OpenShift Container Platform 4
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
rhcos
CPEs
  • cpe:/a:redhat:openshift:4
Default Status
affected
Problem Types
TypeCWE IDDescription
CWECWE-416Use After Free
Type: CWE
CWE ID: CWE-416
Description: Use After Free
Metrics
VersionBase scoreBase severityVector
3.16.4MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Red Hat severity rating
value:
Moderate
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Exploits
Credits
Timeline
EventDate
Reported to Red Hat.2025-02-14 22:20:05
Made public.2025-02-18 18:00:00
Event: Reported to Red Hat.
Date: 2025-02-14 22:20:05
Event: Made public.
Date: 2025-02-18 18:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://access.redhat.com/errata/RHSA-2025:16154
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:6990
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-0622
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2345865
issue-tracking
x_refsource_REDHAT
https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html
N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2025:16154
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2025:6990
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2025-0622
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2345865
Resource:
issue-tracking
x_refsource_REDHAT
Hyperlink: https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:18 Feb, 2025 | 20:15
Updated At:15 Apr, 2026 | 00:35

A flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited, this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass secure boot protections.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.4MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-416Secondarysecalert@redhat.com
CWE ID: CWE-416
Type: Secondary
Source: secalert@redhat.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://access.redhat.com/errata/RHSA-2025:16154secalert@redhat.com
N/A
https://access.redhat.com/errata/RHSA-2025:6990secalert@redhat.com
N/A
https://access.redhat.com/security/cve/CVE-2025-0622secalert@redhat.com
N/A
https://bugzilla.redhat.com/show_bug.cgi?id=2345865secalert@redhat.com
N/A
https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.htmlsecalert@redhat.com
N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2025:16154
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2025:6990
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2025-0622
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2345865
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html
Source: secalert@redhat.com
Resource: N/A

Change History

0
Information is not available yet

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