SB20240531328 - NULL pointer dereference in Linux kernel scsi libfc driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531328
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-52809)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the fc_lport_ptp_setup() function in drivers/scsi/libfc/fc_lport.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e
- https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa
- https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00
- https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01
- https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b
- https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba
- https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34
- https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106
- https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.331
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.300
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.202
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.140
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.262
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7