Denial of service in Linux Kernel



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-7913
CWE-ID CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free error

EUVDB-ID: #VU12260

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-2016-7913

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local attacker to cause DoS condition or gain elevated privileges on the target system.

The weakness exists in the xc2028_set_config function in drivers/media/tuners/tuner-xc2028.c due to use-after-free error. A local attacker can trigger memory corruption via vectors involving omission of the firmware name from a certain data structure, cause the service to crash or gain root privileges.

Mitigation

Update to version 4.6.

Vulnerable software versions

Linux kernel: 4.5.0 - 4.5.7

CPE2.3 External links

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8dfbcc4351a0b6d2f2d77f...


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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