Use After Free in Gnu Grub2
CVE-2025-61662
A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this conditi…
Vulnerability class: Use-After-Free
EPSS: 0.000 (4.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Grub2 — versions 0
- Red Hat Enterprise Linux 10 — versions 1:2.12-29.el10_1.2
- Red Hat Enterprise Linux 10.0 Extended Update Support — versions 1:2.12-15.el10_0.2
- Red Hat Enterprise Linux 7 Extended Lifecycle Support — versions 1:2.02-0.87.el7_9.16
- Red Hat Enterprise Linux 8 — versions 1:2.02-170.el8_10.1
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 1:2.02-87.el8_2.14
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 1:2.02-99.el8_4.13
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-life Add-on — versions 1:2.02-99.el8_4.13
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support — versions 1:2.02-123.el8_6.19
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service — versions 1:2.02-123.el8_6.19
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2025-61662?
- CVE-2025-61662 is a high-severity vulnerability in Gnu Grub2, classified under Use After Free. CVSS score: 7.8/10. Published 2025-11-18.
- How severe is CVE-2025-61662?
- High severity. CVSS v3 base score is 7.8 out of 10.