Memory leak in Linux kernel coco tdx



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-46794
CWE-ID CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU97489

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-2024-46794

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 mmio_read() function in arch/x86/coco/tdx/tdx.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 - 6.10.9

CPE2.3 External links

https://git.kernel.org/stable/c/26c6af49d26ffc377e392e30d4086db19eed0ef7
https://git.kernel.org/stable/c/ef00818c50cf55a3a56bd9a9fae867c92dfb84e7
https://git.kernel.org/stable/c/b55ce742afcb8e8189d82f2f1e635ba1b5a461fa
https://git.kernel.org/stable/c/b6fb565a2d15277896583d471b21bc14a0c99661
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51


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.



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