Infinite loop in Linux kernel smc



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48780
CWE-ID CWE-835
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) Infinite loop

EUVDB-ID: #VU94470

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-2022-48780

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop within the smc_fback_error_report() and smc_switch_to_fallback() functions in net/smc/af_smc.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 - 5.17 rc12

CPE2.3 External links

https://git.kernel.org/stable/c/7de7ba7a8bd4fde0141de8674c13514d0072f0e6
https://git.kernel.org/stable/c/f00b6c976ae0dfbd9b891175f713f59095d23842
https://git.kernel.org/stable/c/1de9770d121ee9294794cca0e0be8fbfa0134ee8
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17


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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