NULL pointer dereference in Linux kernel - CVE-2022-49825
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108284
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-2022-49825
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
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 ata_tport_add() function in drivers/ata/libata-transport.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49825
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/3613dbe3909dcc637fe6be00e4dc43b4aa0470ee
- https://git.kernel.org/stable/c/52d9bb0adae9359711a0c5271430afd3754069e7
- https://git.kernel.org/stable/c/b5362dc1634d8b8d5f30920f33ac11a3276b7ed9
- https://git.kernel.org/stable/c/e7bb1b7a7bf26f6b7372b7b683daece4a42fda02
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.80