#VU104552 NULL pointer dereference in Linux kernel - CVE-2022-49286
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104552
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-2022-49286
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 tpm2_init_space() function in drivers/char/tpm/tpm2-space.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/476ddd23f818fb94cf86fb5617f3bb9a7c92113d
- https://git.kernel.org/stable/c/5b1d2561a03e534064b51c50c774657833d3d2cf
- https://git.kernel.org/stable/c/95193d12f10a8a088843b25e0f5fe1d83ec6b079
- https://git.kernel.org/stable/c/ba84f9a48366dcc3cdef978599433efe101dd5bd
- https://git.kernel.org/stable/c/eda1662cce964c8a65bb86321f8d9cfa6e9ceaab
- https://git.kernel.org/stable/c/fb5abce6b2bb5cb3d628aaa63fa821da8c4600f9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.109
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.32
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.188