CVE-2023-1859

MEDIUM

Linux Kernel - Use-After-Free in Xen 9pfs Frontend via Race Condition

Title source: llm
STIX 2.1

Description

A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.

References (1)

Core 1

Scores

CVSS v3 4.7
EPSS 0.0018
EPSS Percentile 7.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (2)
linux/linux_kernel 6.3 rc1 (6 CPE variants)
linux/linux_kernel < 6.2
Published May 17, 2023
Tracked Since Feb 18, 2026