Null pointer dereference in Linux kernel - CVE-2018-5333
Published: January 11, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU10001
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2018-5333
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the rds_cmsg_atomic function due to insufficient handling of user-supplied input. A remote attacker can send a specially crafted HTTP request, trigger NULL pointer dereference and cause the system to crash.
How to mitigate CVE-2018-5333
Install update from vendor's website.