#VU104306 Memory leak in Linux kernel - CVE-2022-49534

Vulnerability identifier: #VU104306

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-2022-49534

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

The vulnerability exists due to memory leak within the lpfc_ignore_els_cmpl() function in drivers/scsi/lpfc/lpfc_sli.c, within the lpfc_rcv_plogi() function in drivers/scsi/lpfc/lpfc_nportdisc.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/672d1cb40551ea9c95efad43ab6d45e4ab4e015f
https://git.kernel.org/stable/c/c00df0f34a6d5e14da379f96ea67e501ce67b002

---

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.