CVE-2024-1048

Summary

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.

Affected Software

VendorProductVersion RangeStatus
0 < *unaffected
Red HatRed Hat Enterprise Linux 81:2.02-156.el8 < *unaffected
Red HatRed Hat Enterprise Linux 91:2.06-77.el9 < *unaffected

Weaknesses

  • CWE-459: Incomplete Cleanup

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References