Use-after-free in Linux kernel pci msi driver



Published: 2024-07-31
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-41096
CWE-ID CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU94941

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-41096

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

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

External links

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


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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