CVE-2017-7895

Name: CVE-2017-7895
Creator: NVD / NIST
Published: 2017-04-28T10:59:00.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 10.81%

Last modified Jun 17, 2026

CVE-2017-7895 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 10.81% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

10.81%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 3.2.89
Linux	Linux Kernel	>= 3.3, < 3.16.44
Linux	Linux Kernel	>= 3.17.0, < 4.1.40
Linux	Linux Kernel	>= 4.2, < 4.4.67
Linux	Linux Kernel	>= 4.5.0, < 4.9.26
Linux	Linux Kernel	>= 4.10, < 4.10.14
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

http://www.debian.org/security/2017/dsa-3886Third Party Advisory
http://www.securityfocus.com/bid/98085Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1615Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1616Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1647Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1715Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1723Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1766Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1798Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2412Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2428Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2429Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2472Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2732Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/13bf9fbff0e5e099e2b6f003a0ab8ae145436309Patch, Third Party Advisory
http://www.debian.org/security/2017/dsa-3886Third Party Advisory
http://www.securityfocus.com/bid/98085Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1615Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1616Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1647Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1715Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1723Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1766Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1798Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2412Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2428Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2429Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2472Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2732Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/13bf9fbff0e5e099e2b6f003a0ab8ae145436309Patch, Third Party Advisory

Timeline

Published: Apr 28, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7895?

How severe is CVE-2017-7895?

CVE-2017-7895 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 10.81% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7895?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7895?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST