GRUB2 (romfs symlink handling): Symlink integer overflow in the romfs parser producing a heap out-of-bounds write

CVE-2025-0686Firmware, BMC & network fabricGRUB2 2025 batchcurated

Impact

Symlink integer overflow in the romfs parser producing a heap out-of-bounds write.

Who can reach it

Attacker-supplied romfs image.

What to do

grub2 package update + reboot; or drop the module.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-0686 https://www.openwall.com/lists/oss-security/2025/02/18/3

This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.