#VU102074 Use-after-free in Linux kernel - CVE-2024-56546

Vulnerability identifier: #VU102074

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-2024-56546

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 xlnx_add_cb_for_suspend() function in drivers/soc/xilinx/xlnx_event_manager.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/272168927f38bda46f6c1ed5f40de97689e7a5d2
https://git.kernel.org/stable/c/44ed4f90a97ff6f339e50ac01db71544e0990efc
https://git.kernel.org/stable/c/584d420771e1ad2bb74e19a19da8ae0fee0a6e1f
https://git.kernel.org/stable/c/5a3bda42394ff137eb2d3d3d20d2956a8c6e9237
https://git.kernel.org/stable/c/882d7afaa4b82c20a7be7a3a039532a80ebacd23

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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.