How severe is CVE-2024-2312?

CVE-2024-2312 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-2312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-2312?

CVE-2024-2312 primarily affects Gnu Grub2. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-2312?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-2312 have an EU (EUVD) identifier?

Yes. CVE-2024-2312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27267.

When was CVE-2024-2312 published?

CVE-2024-2312 was published on 2024-04-05 and last updated on 2026-06-17.

CVE-2024-2312

CVE-2024-2312 is a medium-severity vulnerability in Gnu Grub2 with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-27267
Weakness: CWE-416
Affected product: Gnu Grub2
Published: 2024-04-05
Last modified: 2026-06-17

Description

GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.

Frequently asked questions

What is CVE-2024-2312?: GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.
How severe is CVE-2024-2312?: CVE-2024-2312 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-2312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-2312?: CVE-2024-2312 primarily affects Gnu Grub2. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-2312?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-2312 have an EU (EUVD) identifier?: Yes. CVE-2024-2312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27267.
When was CVE-2024-2312 published?: CVE-2024-2312 was published on 2024-04-05 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*

More vulnerabilities in Gnu Grub2

CVE-2024-56737 — High (CVSS 8.8): GNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS…
CVE-2022-2601 — High (CVSS 8.6): A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when…
CVE-2021-20233 — High (CVSS 8.2): A flaw was found in grub2 in versions prior to 2.06. Setparam_prefix() in the menu rendering code performs a length…
CVE-2020-25632 — High (CVSS 8.2): A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as…
CVE-2020-10713 — High (CVSS 8.2): A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB…
CVE-2022-28734 — High (CVSS 8.1): Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally…

All CVEs affecting Gnu Grub2 →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →