Vulnerability identifier: #VU100066
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-125
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 an out-of-bounds read error within the SMB2_ioctl_init() function in fs/cifs/smb2pdu.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
External links
http://git.kernel.org/stable/c/e07d05b7f5ad9a503d9cab0afde2ab867bb65470
http://git.kernel.org/stable/c/2ef632bfb888d1a14f81c1703817951e0bec5531
http://git.kernel.org/stable/c/b209c3a0bc3ac172265c7fa8309e5d00654f2510
http://git.kernel.org/stable/c/fe92ddc1c32d4474e605e3a31a4afcd0e7d765ec
http://git.kernel.org/stable/c/1ab60323c5201bef25f2a3dc0ccc404d9aca77f1
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.