#VU96107 Use-after-free in Linux kernel - CVE-2024-42285

Vulnerability identifier: #VU96107

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-2024-42285

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 EXPORT_SYMBOL(), destroy_cm_id() and cm_work_handler() functions in drivers/infiniband/core/iwcm.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/dc8074b8901caabb97c2d353abd6b4e7fa5a59a5
https://git.kernel.org/stable/c/ff5bbbdee08287d75d72e65b72a2b76d9637892a
https://git.kernel.org/stable/c/ee39384ee787e86e9db4efb843818ef0ea9cb8ae
https://git.kernel.org/stable/c/aee2424246f9f1dadc33faa78990c1e2eb7826e4

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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.