#VU104592 NULL pointer dereference in Linux kernel - CVE-2022-49498
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104592
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-2022-49498
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 EXPORT_SYMBOL() and snd_pcm_lib_free_pages() functions in sound/core/pcm_memory.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/011b559be832194f992f73d6c0d5485f5925a10b
- https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3
- https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2
- https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6
- https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123
- https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121