#VU94439 NULL pointer dereference in Linux kernel - CVE-2022-48773
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94439
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-2022-48773
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 rpcrdma_ep_create() function in net/sunrpc/xprtrdma/verbs.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/1e7433fb95ccc01629a5edaa4ced0cd8c98d0ae0
- https://git.kernel.org/stable/c/9921c866dc369577c3ebb9adf2383b01b58c18de
- https://git.kernel.org/stable/c/2526d4d8b209dc5ac1fbeb468149774888b2a141
- https://git.kernel.org/stable/c/a9c10b5b3b67b3750a10c8b089b2e05f5e176e33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.102
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17