Vulnerability CVE-2017-7895
Published: 2017-04-28

Description:
The NFSv2 and NFSv3 server implementations in the Linux kernel through 4.10.13 lack certain checks for the end of a buffer, which allows remote attackers to trigger pointer-arithmetic errors or possibly have unspecified other impact via crafted requests, related to fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 

 References:
http://www.debian.org/security/2017/dsa-3886
http://www.securityfocus.com/bid/98085
https://access.redhat.com/errata/RHSA-2017:1615
https://access.redhat.com/errata/RHSA-2017:1616
https://access.redhat.com/errata/RHSA-2017:1647
https://access.redhat.com/errata/RHSA-2017:1715
https://access.redhat.com/errata/RHSA-2017:1723
https://access.redhat.com/errata/RHSA-2017:1766
https://access.redhat.com/errata/RHSA-2017:1798
https://access.redhat.com/errata/RHSA-2017:2412
https://access.redhat.com/errata/RHSA-2017:2428
https://access.redhat.com/errata/RHSA-2017:2429
https://access.redhat.com/errata/RHSA-2017:2472
https://access.redhat.com/errata/RHSA-2017:2732
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309
https://github.com/torvalds/linux/commit/13bf9fbff0e5e099e2b6f003a0ab8ae145436309
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