CVE-2024-52880: An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.3

Q: How do I fix CVE-2024-52880?

kernel: upgrade to 5.29.50, 5.38.50, 5.46.50, 5.54.50, 5.61.50, 5.70.50. Exact commands for each OS are on this page.

Q: Is CVE-2024-52880 being exploited?

CVE-2024-52880 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-52880 affect?

CVE-2024-52880 affects kernel. Severity is high (CVSS 7.9). An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 b

Routine

HIGH 7.9UPGRADE

CVE-2024-52880 is a high-severity flaw (CVSS 7.9) affecting kernel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, SecureBootHandler uses DataSize and VariableNameSize when determining if the data or name are in the buffer, but these are supplied by the caller and theref

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.9 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-20
Published	2025-05-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: insyde

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-15 16:15 UTCPublished CVE record published
2026-06-17 08:07 UTCUpdated Record last modified

insyde kernel UPGRADE

Affected: >= 5.2 and < 5.29.50 · >= 5.3 and < 5.38.50 · >= 5.4 and < 5.46.50 · >= 5.5 and < 5.54.50 · >= 5.6 and < 5.61.50 · >= 5.7 and < 5.70.50

Fixed in: 5.29.50, 5.38.50, 5.46.50, 5.54.50, 5.61.50, 5.70.50

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-52880?

kernel: upgrade to 5.29.50, 5.38.50, 5.46.50, 5.54.50, 5.61.50, 5.70.50. Exact commands for each OS are on this page.

Is CVE-2024-52880 being exploited?

CVE-2024-52880 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-52880 affect?

CVE-2024-52880 affects kernel. Severity is high (CVSS 7.9). An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 b

How urgent is CVE-2024-52880?

Priority 30/100. High severity

Related CVEs

CVE-2024-49200 MEDIUM 6.4 MITIGATE An issue was discovered in AcpiS3SaveDxe and ChipsetSvcDxe in Insyde InsydeH2O with kernel 5.2 though 5.7
CVE-2023-47252 MEDIUM 6.3 UPGRADE An issue was discovered in PnpSmm in Insyde InsydeH2O with kernel 5.0 through 5.6
CVE-2022-46897 MEDIUM 5.3 UPGRADE An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5

References

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