7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
5.1%
A use-after-free flaw was found in the Linux kernel’s Ext4 File System in
how a user triggers several file operations simultaneously with the overlay
FS usage. This flaw allows a local user to crash or potentially escalate
their privileges on the system. Only if patch 9a2544037600 (“ovl: fix use
after free in struct ovl_aio_req”) not applied yet, the kernel could be
affected.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | linux-oem-5.14 | < 5.14.0-1013.13 | UNKNOWN |