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nvd[email protected]NVD:CVE-2023-1859
HistoryMay 17, 2023 - 11:15 p.m.

CVE-2023-1859

2023-05-1723:15:09
CWE-416
web.nvd.nist.gov
1
cve-2023-1859
xen
9pfs
linux kernel
use-after-free
local attacker
system crash
race problem
kernel information leak

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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.

Affected configurations

NVD
Node
linuxlinux_kernelRange6.2
OR
linuxlinux_kernelMatch6.3rc1
OR
linuxlinux_kernelMatch6.3rc2
OR
linuxlinux_kernelMatch6.3rc3
OR
linuxlinux_kernelMatch6.3rc4
OR
linuxlinux_kernelMatch6.3rc5
OR
linuxlinux_kernelMatch6.3rc6

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%