Memory leak in Linux kernel nvdimm driver

1) Memory leak

EUVDB-ID: #VU98859

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-2024-47755

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The vulnerability exists due to memory leak within the cmp_dpa() and scan_labels() functions in drivers/nvdimm/namespace_devs.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.11.1

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1:rc3:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1:rc7:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.6:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/45db20bdb5695d06478d35e05fb2550441bed890
https://git.kernel.org/stable/c/18a672c62d735744c6340eb3f5e58934a5d34cf2
https://git.kernel.org/stable/c/939053737edb49ba5bdc5846acb45f11d15b7ab4
https://git.kernel.org/stable/c/cdf0dfb3d183bbe0d0b6a6622c53d105074ad384
https://git.kernel.org/stable/c/62c2aa6b1f565d2fc1ec11a6e9e8336ce37a6426
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54

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.