#VU104910 Resource management error in Linux kernel - CVE-2022-49157

Vulnerability identifier: #VU104910

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-2022-49157

CWE-ID: CWE-399

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 resource management error within the qla27xx_fwdt_entry_t266() function in drivers/scsi/qla2xxx/qla_tmpl.c, within the qla2xxx_pci_error_detected() and qla2xxx_pci_mmio_enabled() functions in drivers/scsi/qla2xxx/qla_os.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

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External links
https://git.kernel.org/stable/c/5ef6319f9882699613d5182fbd7929b017e8c5ab
https://git.kernel.org/stable/c/6c125fd5ad035777f7b471553f7ddda76e8e7136
https://git.kernel.org/stable/c/d7994dff9071555a959a168f9184dd9abae68a6b
https://git.kernel.org/stable/c/e35920ab7874d5e2faeb4f958a74bfa793f1ce5a

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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.