#VU108144 Memory leak in Linux kernel - CVE-2022-49867

Vulnerability identifier: #VU108144

Vulnerability 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-2022-49867

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the ipc_wwan_setup() function in drivers/net/wwan/iosm/iosm_ipc_wwan.c. A remote attacker can perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/128514b51a5ba2c82f9e4a106f1c10423907618a
https://git.kernel.org/stable/c/2ce2348c2858d723f7fe389dead9b43b08e0944e
https://git.kernel.org/stable/c/f25caaca424703d5a0607310f0452f978f1f78d9

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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.