NULL pointer dereference in Linux kernel - CVE-2023-53066

 

NULL pointer dereference in Linux kernel - CVE-2023-53066

Published: May 4, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU108461
CSH Severity: Low
CVSS v4.0: 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-2023-53066
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability 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 qed_iov_configure_min_tx_rate() and qed_iov_handle_trust_change() functions in drivers/net/ethernet/qlogic/qed/qed_sriov.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2023-53066

Install update from vendor's website.

Sources