Vulnerability identifier: #VU95004
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
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 improper input validation within the cachefiles_ondemand_fd_llseek(), cachefiles_ondemand_fd_ioctl() and cachefiles_ondemand_copen() functions in fs/cachefiles/ondemand.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/3b744884c0431b5a62c92900e64bfd0ed61e8e2a
http://git.kernel.org/stable/c/36d845ccd7bf527110a65fe953886a176c209539
http://git.kernel.org/stable/c/8aaa6c5dd2940ab934d6cd296175f43dbb32b34a
http://git.kernel.org/stable/c/a26dc49df37e996876f50a0210039b2d211fdd6f
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.