#VU102910 Use-after-free in Linux kernel - CVE-2024-57857

Vulnerability identifier: #VU102910

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-2024-57857

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 siw_query_device(), siw_query_port() and siw_query_qp() functions in drivers/infiniband/sw/siw/siw_verbs.c, within the siw_device_create(), siw_netdev_event() and siw_newlink() functions in drivers/infiniband/sw/siw/siw_main.c, within the siw_create_listen() and siw_cep_set_free_and_put() functions in drivers/infiniband/sw/siw/siw_cm.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/16b87037b48889d21854c8e97aec8a1baf2642b3
https://git.kernel.org/stable/c/4eafeb4f021c50d13f199239d913b37de3c83135

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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.