CVE-2024-45781

Summary

A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.

Affected Software

VendorProductVersion RangeStatus
0 <= 2.12affected
Red HatRed Hat Enterprise Linux 101:2.12-15.el10_0 < *unaffected
Red HatRed Hat Enterprise Linux 91:2.06-104.el9_6 < *unaffected

Weaknesses

  • CWE-787: Out-of-bounds Write

Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

ADP Enrichment

CISA ADP Vulnrichment

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

References