Information disclosure in Linux kernel dma ti driver



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48656
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU91362

Risk: Low

CVSSv4.0: 4.3 [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-2022-48656

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to information disclosure within the of_xudma_dev_get() function in drivers/dma/ti/k3-udma-private.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 6.0 rc4

CPE2.3 External links

https://git.kernel.org/stable/c/aa11dae059a439af82bae541b134f8f53ac177b5
https://git.kernel.org/stable/c/dd5a6c5a08752b613e83ad2cb5133e72a64b876d
https://git.kernel.org/stable/c/a17df55bf6d536712da6902a83db82b82e67d5a2
https://git.kernel.org/stable/c/f9fdb0b86f087c2b7f6c6168dd0985a3c1eda87e
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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