Buffer overflow in Linux kernel microsoft mana driver



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48985
CWE-ID CWE-119
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) Buffer overflow

EUVDB-ID: #VU99097

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-48985

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the mana_poll_rx_cq() and mana_cq_handler() functions in drivers/net/ethernet/microsoft/mana/mana_en.c. A local user can escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.15 - 6.1 rc7

CPE2.3 External links

https://git.kernel.org/stable/c/fe50a9bbeb1f042e756c5cfa7708112c944368de
https://git.kernel.org/stable/c/6740d8572ccd1bca50d8a1ca2bedc333f50ed5f3
https://git.kernel.org/stable/c/18010ff776fa42340efc428b3ea6d19b3e7c7b21
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1


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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