PT-2023-9353 · Linux+9 · Linux Kernel+9

Wenchao Hao

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Published

2023-10-13

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Updated

2025-09-29

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CVE-2023-52809

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description The issue is related to a potential NULL pointer dereference in the fc lport ptp setup() function. This function did not check the return value of fc rport create(), which can return NULL and cause a NULL pointer dereference. The exploitation of this issue may allow an attacker to cause a denial of service.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

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Weakness Enumeration

Related Identifiers

ALSA-2024:4928
ALSA-2024:7000
ALSA-2025_16880
ALT-PU-2023-7921
BDU:2024-06908
CESA-2024_7000
CVE-2023-52809
INFSA-2024_4928
INFSA-2024_7000
OESA-2024-1680
OESA-2024-1682
OESA-2024-1692
RHSA-2024:4928
RHSA-2024:5066
RHSA-2024:5067
RHSA-2024:7000
RHSA-2024_4928
RHSA-2024_7000
RLSA-2024:4928
RXSA-2024:4928
SUSE-SU-2024:2008-1
SUSE-SU-2024:2019-1
SUSE-SU-2024:2190-1
SUSE-SU-2024:2360-1
SUSE-SU-2024:2381-1
SUSE-SU-2024:2561-1
SUSE-SU-2024:2571-1
SUSE-SU-2024:2896-1
SUSE-SU-2024:2973-1
SUSE-SU-2025:20008-1
SUSE-SU-2025:20028-1
USN-7028-1
USN-7028-2
USN-7039-1

Affected Products

Alt Linux
Almalinux
Astra Linux
Centos
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu