#VU108462 NULL pointer dereference in Linux kernel - CVE-2023-53056
Published: May 4, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108462
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53056
CWE-ID: CWE-476
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 user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the qla2x00_get_sp_from_handle() and qla25xx_process_bidir_status_iocb() functions in drivers/scsi/qla2xxx/qla_isr.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/6295b3ec64a3623fa96869ffb7cf17d0b3c92035
- https://git.kernel.org/stable/c/6d57b77d7369ed73836c82b25f785b34923eef84
- https://git.kernel.org/stable/c/d3affdeb400f3adc925bd996f3839481f5291839
- https://git.kernel.org/stable/c/ffd7831841d3c56c655531fc8c5acafaaf20e1bb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9