CVE-2023-4949

An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grubs XFS file system implementation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H
GoogleCNA
8.1 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 8%
VendorProductVersion
gnugrub
𝑥
≤ 0.97
xenxen
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
grub
bullseye
unimportant
bookworm
unimportant
trixie
unimportant
sid
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
grub
noble
dne
mantic
dne
lunar
dne
jammy
dne
focal
dne
bionic
ignored
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://xenbits.xenproject.org/xsa/advisory-443.html
https://xenbits.xenproject.org/xsa/advisory-443.html