#VU94941 Use-after-free in Linux kernel - CVE-2024-41096

Vulnerability identifier: #VU94941

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-41096

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the msi_capability_init() function in drivers/pci/msi/msi.c. A local user can escalate privileges on the system.

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/ff1121d2214b794dc1772081f27bdd90721a84bc
https://git.kernel.org/stable/c/45fc8d20e0768ab0a0ad054081d0f68aa3c83976
https://git.kernel.org/stable/c/9eee5330656bf92f51cb1f09b2dc9f8cf975b3d1

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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.