#VU82766 Allocation of Resources Without Limits or Throttling in Linux kernel - CVE-2023-45862

Vulnerability identifier: #VU82766

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-2023-45862

CWE-ID: CWE-770

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 a boundary error within the ENE UB6250 reader driver in drivers/usb/storage/ene_ub6250.c. A local user can trigger a boundary error and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 6.2 - 6.2.4

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External links
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ce33e64c1788912976b61314b56935abd4bc97ef
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5

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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.