Improper locking in Linux kernel dsa sja1105 driver



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48980
CWE-ID CWE-667
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) Improper locking

EUVDB-ID: #VU99002

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-2022-48980

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to improper locking within the sja1105_init_l2_policing() function in drivers/net/dsa/sja1105/sja1105_main.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.15 - 6.1 rc7

CPE2.3 External links

https://git.kernel.org/stable/c/5e88c6f4aaa70c542e59e5a9d2244bcc99cd245d
https://git.kernel.org/stable/c/147f3e3d84054117ae6b9bf317ec4fda9f991192
https://git.kernel.org/stable/c/f8bac7f9fdb0017b32157957ffffd490f95faa07
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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