CVE-2023-4949

EUVD-2023-54785
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 grub’s XFS file system implementation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 8%
Affected Products (NVD)
VendorProductVersion
gnugrub
𝑥
≤ 0.97
xenxen
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
grub
bookworm
unimportant
bullseye
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
grub
bionic
ignored
focal
dne
jammy
dne
lunar
dne
mantic
dne
noble
dne
trusty
not-affected
xenial
not-affected
Common Weakness Enumeration
References
https://xenbits.xenproject.org/xsa/advisory-443.html
https://xenbits.xenproject.org/xsa/advisory-443.html