Vulnerability identifier: #VU7238
Vulnerability risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to boundary error when handling a user-supplied input. A remote attacker can send a specially crafted request, trigger pointer-arithmetic errors or possibly have unspecified other impact related to fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.
Successful exploitation of the vulnerability results in access to the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 4.4.0 - 4.4.75, 4.9 - 4.9.34, 4.1 - 4.1.41, 4.10.0 - 4.10.13, 4.8.0 - 4.8.17, 4.7.0 - 4.7.10, 4.5.0 - 4.5.7, 4.6 rc1 - 4.6.7, 4.3 - 4.3.6, 4.2.0 - 4.2.8, 4.0.1 - 4.0.9
External links
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f0...
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.