SB2025091721 - NULL pointer dereference in Linux kernel target iscsi driver
Published: September 17, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091721
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-2022-50350)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the iscsi_target_handle_csg_one() and iscsi_target_start_negotiation() functions in drivers/target/iscsi/iscsi_target_nego.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/1533b8b3058db618409f41554ebe768c2e3acfae
- https://git.kernel.org/stable/c/3ecdca49ca49d4770639d81503c873b6d25887c4
- https://git.kernel.org/stable/c/fec1b2fa62c162d03f5dcd7b03e3c89d3116d49f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2