What is CVE-2017-7895?

CVE-2017-7895 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2017-7895 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-7895?

CVE-2017-7895 has a CVSS score of 9.8 out of 10, rated Critical severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2017-7895?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2017-7895 patch availability.

Is CVE-2017-7895 actively exploited?

CVE-2017-7895 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2017-7895

Critical

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.

Package Linux Kernel

Published 2017-04-28

Last modified 2026-05-13

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

9.8

out of 10

Critical

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-119

CVE-2017-7895 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

16 total

Kernel Git
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309

Patch Third Party Advisory
GitHub
https://github.com/torvalds/linux/commit/13bf9fbff0e5e099e2b6f003a0ab8ae145436309

Patch Third Party Advisory
Debian Security
http://www.debian.org/security/2017/dsa-3886

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/98085

Third Party Advisory VDB Entry
Red Hat
https://access.redhat.com/errata/RHSA-2017:1615

Third Party Advisory

Showing 5 of 16 references View all on NVD

Details

CVE ID CVE-2017-7895

Severity Critical

CVSS score 9.8 / 10

CVSS version 3.1

Published 2017-04-28

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-7895?

CVE-2017-7895 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2017-7895 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-7895?

CVE-2017-7895 has a CVSS score of 9.8 out of 10, rated Critical severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2017-7895?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2017-7895 patch availability.
Is CVE-2017-7895 actively exploited?

No. CVE-2017-7895 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.