#VU11877 NULL pointer dereference in Linux kernel


Published: 2018-04-18

Vulnerability identifier: #VU11877

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10074

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the hi3660_stub_clk_probe function in drivers/clk/hisilicon/clk-hi3660-stub.c due to improper validation of the INT_MIN parameter. A local attacker can trigger NULL pointer dereference and cause the service to crash.

Mitigation
Update to version 4.16 or later.

Vulnerable software versions

Linux kernel: 4.15 - 4.15.17


External links
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9903e41ae1f5d50c93f268...


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.


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