#VU28378 Use-after-free in Linux kernel - CVE-2018-10879
Published: July 26, 2018 / Updated: June 1, 2020
Vulnerability identifier: #VU28378
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-10879
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local authenticated user to execute arbitrary code.
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image.
Remediation
Install update from vendor's website.
External links
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.55
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.6
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.161
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.133
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.162