#VU104310 Memory leak in Linux kernel - CVE-2022-49550

Vulnerability identifier: #VU104310

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-2022-49550

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 fs/ntfs3/inode.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.18, 5.18 rc1, 5.18 rc2, 5.18 rc3, 5.18 rc5, 5.18 rc6, 5.18 rc7, 5.18 rc8, 5.18.1, 5.18.2, 5.19 rc1, 5.19 rc4, 5.19 rc5, 5.19 rc6

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External links
https://git.kernel.org/stable/c/0753245a72ec99824677586499ee2e0919164b3f
https://git.kernel.org/stable/c/724bbe49c5e427cb077357d72d240a649f2e4054
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19

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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.