#VU101988 Memory leak in Linux kernel - CVE-2024-56710

Vulnerability identifier: #VU101988

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-2024-56710

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 __ceph_sync_read() and ceph_direct_read_write() functions in fs/ceph/file.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5, 6.12.6

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External links
https://git.kernel.org/stable/c/66e0c4f91461d17d48071695271c824620bed4ef
https://git.kernel.org/stable/c/eb9041837123f31d5897e99bb761f46cb4ce5859
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.7

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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.