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TI-2017-05506 Aliases CVE-2017-7895GHSA-wj85-r27r-99vw

The NFSv2 and NFSv3 server implementations in the Linux kernel through 4.10.13 lack…

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.1081 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 12 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 3.2.89; 3.3 to before 3.16.44; 3.17.0 to before 4.1.40; 4.2 to before 4.4.67; 4.5.0 to before 4.9.26; 4.10 to before 4.10.14VulnerableLinux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 3.2.89; 3.3 to before 3.16.44; 3.17.0 to before 4.1.40; 4.2 to before 4.4.67; 4.5.0 to before 4.9.26; 4.10 to before 4.10.14 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

Red Hat 12 advisories

  • RHSA-2017:2732 Released 2017-09-14 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 6.2) kernel-2.6.32-220.75.1.el6, kernel-debug-2.6.32-220.75.1.el6, kernel-debug-devel-2.6.32-220.75.1.el6 +5
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.2) kernel-2.6.32-220.75.1.el6, python-perf-2.6.32-220.75.1.el6
  • RHSA-2017:2472 Released 2017-08-15 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Long Life (v. 5.9 server) kernel-2.6.18-348.34.1.el5, kernel-PAE-2.6.18-348.34.1.el5, kernel-PAE-devel-2.6.18-348.34.1.el5 +8
  • RHSA-2017:2428 Released 2017-08-08 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server AUS (v. 6.5) kernel-2.6.32-431.82.1.el6, kernel-abi-whitelists-2.6.32-431.82.1.el6, kernel-debug-2.6.32-431.82.1.el6 +6
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.5) kernel-2.6.32-431.82.1.el6, python-perf-2.6.32-431.82.1.el6
    • Red Hat Enterprise Linux Server Optional TUS (v. 6.5) kernel-2.6.32-431.82.1.el6, python-perf-2.6.32-431.82.1.el6
    • Red Hat Enterprise Linux Server TUS (v. 6.5) kernel-2.6.32-431.82.1.el6, kernel-abi-whitelists-2.6.32-431.82.1.el6, kernel-debug-2.6.32-431.82.1.el6 +6
Show 9 more Red Hat advisories
  • RHSA-2017:2429 Released 2017-08-08 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux HPC Node EUS (v. 6.7) kernel-2.6.32-573.45.1.el6, kernel-abi-whitelists-2.6.32-573.45.1.el6, kernel-debug-2.6.32-573.45.1.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) python-perf-2.6.32-573.45.1.el6
    • Red Hat Enterprise Linux Server EUS (v. 6.7) kernel-2.6.32-573.45.1.el6, kernel-abi-whitelists-2.6.32-573.45.1.el6, kernel-bootwrapper-2.6.32-573.45.1.el6 +9
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.7) python-perf-2.6.32-573.45.1.el6
  • RHSA-2017:2412 Released 2017-08-02 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server (v. 5 ELS) kernel-2.6.18-422.el5, kernel-PAE-2.6.18-422.el5, kernel-PAE-devel-2.6.18-422.el5 +10
  • RHSA-2017:1798 Released 2017-07-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server AUS (v. 6.6) kernel-2.6.32-504.62.1.el6, kernel-abi-whitelists-2.6.32-504.62.1.el6, kernel-debug-2.6.32-504.62.1.el6 +6
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.6) python-perf-2.6.32-504.62.1.el6
    • Red Hat Enterprise Linux Server Optional TUS (v. 6.6) python-perf-2.6.32-504.62.1.el6
    • Red Hat Enterprise Linux Server TUS (v. 6.6) kernel-2.6.32-504.62.1.el6, kernel-abi-whitelists-2.6.32-504.62.1.el6, kernel-debug-2.6.32-504.62.1.el6 +6
  • RHSA-2017:1766 Released 2017-07-18 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.2) kernel-3.10.0-327.58.1.el7, kernel-abi-whitelists-3.10.0-327.58.1.el7, kernel-debug-3.10.0-327.58.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2) kernel-tools-libs-devel-3.10.0-327.58.1.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.2) kernel-3.10.0-327.58.1.el7, kernel-abi-whitelists-3.10.0-327.58.1.el7, kernel-bootwrapper-3.10.0-327.58.1.el7 +11
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.2) kernel-debug-devel-3.10.0-327.58.1.el7, kernel-tools-libs-devel-3.10.0-327.58.1.el7
  • RHSA-2017:1723 Released 2017-07-11 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-696.6.3.el6, kernel-abi-whitelists-2.6.32-696.6.3.el6, kernel-debug-2.6.32-696.6.3.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-696.6.3.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-696.6.3.el6, kernel-abi-whitelists-2.6.32-696.6.3.el6, kernel-debug-2.6.32-696.6.3.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-696.6.3.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-696.6.3.el6, kernel-abi-whitelists-2.6.32-696.6.3.el6, kernel-bootwrapper-2.6.32-696.6.3.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-696.6.3.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-696.6.3.el6, kernel-abi-whitelists-2.6.32-696.6.3.el6, kernel-debug-2.6.32-696.6.3.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-696.6.3.el6
  • RHSA-2017:1715 Released 2017-07-11 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 6.4) kernel-2.6.32-358.81.1.el6, kernel-debug-2.6.32-358.81.1.el6, kernel-debug-devel-2.6.32-358.81.1.el6 +5
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.4) kernel-2.6.32-358.81.1.el6, python-perf-2.6.32-358.81.1.el6
  • RHSA-2017:1616 Released 2017-06-28 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-514.26.1.rt56.442.el7, kernel-rt-debug-3.10.0-514.26.1.rt56.442.el7, kernel-rt-debug-devel-3.10.0-514.26.1.rt56.442.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.26.1.rt56.442.el7, kernel-rt-debug-3.10.0-514.26.1.rt56.442.el7, kernel-rt-debug-devel-3.10.0-514.26.1.rt56.442.el7 +7
  • RHSA-2017:1615 Released 2017-06-28 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.26.1.el7, kernel-abi-whitelists-3.10.0-514.26.1.el7, kernel-debug-3.10.0-514.26.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.26.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.26.1.el7, kernel-abi-whitelists-3.10.0-514.26.1.el7, kernel-debug-3.10.0-514.26.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.26.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.26.1.el7, kernel-abi-whitelists-3.10.0-514.26.1.el7, kernel-bootwrapper-3.10.0-514.26.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.26.1.el7, kernel-tools-libs-devel-3.10.0-514.26.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.26.1.el7, kernel-abi-whitelists-3.10.0-514.26.1.el7, kernel-debug-3.10.0-514.26.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.26.1.el7
  • RHSA-2017:1647 Released 2017-06-28 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-514.rt56.228.el6rt, kernel-rt-debug-1:3.10.0-514.rt56.228.el6rt, kernel-rt-debug-devel-1:3.10.0-514.rt56.228.el6rt +7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:1615
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:1615
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:1615
Red Hat Enterprise Linux ComputeNode EUS (v. 7.2)Fixed RHSA-2017:1766
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:1615
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2)Fixed RHSA-2017:1766
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:1723
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2017:1723
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2017:1723
Red Hat Enterprise Linux HPC Node EUS (v. 6.7)Fixed RHSA-2017:2429
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2017:1723
Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7)Fixed RHSA-2017:2429
Red Hat Enterprise Linux Long Life (v. 5.9 server)Fixed RHSA-2017:2472
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2017:1616
Red Hat Enterprise Linux Server (v. 5 ELS)Fixed RHSA-2017:2412
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:1723
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:1615
Red Hat Enterprise Linux Server AUS (v. 6.2)Fixed RHSA-2017:2732
Red Hat Enterprise Linux Server AUS (v. 6.4)Fixed RHSA-2017:1715
Red Hat Enterprise Linux Server AUS (v. 6.5)Fixed RHSA-2017:2428
Red Hat Enterprise Linux Server AUS (v. 6.6)Fixed RHSA-2017:1798
Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2017:2429
Red Hat Enterprise Linux Server EUS (v. 7.2)Fixed RHSA-2017:1766
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2017:1723
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:1615
Red Hat Enterprise Linux Server Optional AUS (v. 6.2)Fixed RHSA-2017:2732
Red Hat Enterprise Linux Server Optional AUS (v. 6.4)Fixed RHSA-2017:1715
Red Hat Enterprise Linux Server Optional AUS (v. 6.5)Fixed RHSA-2017:2428
Red Hat Enterprise Linux Server Optional AUS (v. 6.6)Fixed RHSA-2017:1798
Red Hat Enterprise Linux Server Optional EUS (v. 6.7)Fixed RHSA-2017:2429
Red Hat Enterprise Linux Server Optional EUS (v. 7.2)Fixed RHSA-2017:1766
Red Hat Enterprise Linux Server Optional TUS (v. 6.5)Fixed RHSA-2017:2428
Red Hat Enterprise Linux Server Optional TUS (v. 6.6)Fixed RHSA-2017:1798
Red Hat Enterprise Linux Server TUS (v. 6.5)Fixed RHSA-2017:2428
Red Hat Enterprise Linux Server TUS (v. 6.6)Fixed RHSA-2017:1798
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:1723
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:1615
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2017:1723
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:1615
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2017:1616
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2017:1647

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-7895
  2. 2026-10-03 Alias added: GHSA-wj85-r27r-99vw

References

Patch 2

Advisory 13

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences