#VU91676 Use of uninitialized resource in Linux kernel - CVE-2023-52703

Vulnerability identifier: #VU91676

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52703

CWE-ID: CWE-908

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 perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the kalmia_send_init_packet() function in drivers/net/usb/kalmia.c. A local user can perform a denial of service (DoS) attack.

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/1b5de7d44890b78519acbcc80d8d1f23ff2872e5
https://git.kernel.org/stable/c/723ef7b66f37c0841f5a451ccbce47ee1641e081
https://git.kernel.org/stable/c/a753352622b4f3c0219e0e9c73114b2848ae6042
https://git.kernel.org/stable/c/525bdcb0838d19d918c7786151ee14661967a030
https://git.kernel.org/stable/c/338f826d3afead6e4df521f7972a4bef04a72efb
https://git.kernel.org/stable/c/02df3170c04a8356cd571ab9155a42f030190abc
https://git.kernel.org/stable/c/c68f345b7c425b38656e1791a0486769a8797016

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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.