Strix
26.1K

CVE-2024-1048

LOWCVSS 3.3/10EPSS 0.27%

Last modified

CVE-2024-1048 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. If the program is killed before the rename operation, the temporary file will not be removed and may fill the filesystem when invoked multiple times, resulting in a filesystem out of free inodes or blocks.

Metrics

CVSS 3.1
3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS Probability
0.27%

18.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GnuGrub2All versions
RedhatEnterprise Linux8.0
RedhatEnterprise Linux9.0
FedoraprojectFedora40

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2024-1048?
A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. If the program is killed before the rename operation, the temporary file will not be removed and may fill the filesystem when invoked multiple times, resulting in a filesystem out of free inodes or blocks.
How severe is CVE-2024-1048?
CVE-2024-1048 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2024-1048?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-1048?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST