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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2023-52809
HistoryMay 21, 2024 - 4:15 p.m.

CVE-2023-52809

2024-05-2116:15:19
CWE-476
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
linux kernel
vulnerability
null pointer
dereference
libfc
fc_lport_ptp_setup
fc_rport_create

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

In the Linux kernel, the following vulnerability has been resolved:

scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup()

fc_lport_ptp_setup() did not check the return value of fc_rport_create()
which can return NULL and would cause a NULL pointer dereference. Address
this issue by checking return value of fc_rport_create() and log error
message on fc_rport_create() failed.

Affected configurations

NVD
Node
linuxlinux_kernelRange<4.14.331
OR
linuxlinux_kernelRange4.154.19.300
OR
linuxlinux_kernelRange4.205.4.262
OR
linuxlinux_kernelRange5.55.10.202
OR
linuxlinux_kernelRange5.115.15.140
OR
linuxlinux_kernelRange5.166.1.64
OR
linuxlinux_kernelRange6.26.5.13
OR
linuxlinux_kernelRange6.66.6.3

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%