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TI-2017-01869 Aliases CVE-2017-2618GHSA-hpw2-j46j-hpv2

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on…

Priority LOW 25CWE-193Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-193 and the CVSS impact.

Summary

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

Why it matters now

EPSS 0.00459 40th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Linuxkernel4.9.10—No fix listedCNA
  • kernel VendorLinux Affected 4.9.10 Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 4.9.10VulnerableLinux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.9.10 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 3 advisories

  • RHSA-2017:0933 Released 2017-04-12 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.16.1.el7, kernel-abi-whitelists-3.10.0-514.16.1.el7, kernel-debug-3.10.0-514.16.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.16.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.16.1.el7, kernel-abi-whitelists-3.10.0-514.16.1.el7, kernel-debug-3.10.0-514.16.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.16.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.16.1.el7, kernel-abi-whitelists-3.10.0-514.16.1.el7, kernel-bootwrapper-3.10.0-514.16.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.16.1.el7, kernel-tools-libs-devel-3.10.0-514.16.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.16.1.el7, kernel-abi-whitelists-3.10.0-514.16.1.el7, kernel-debug-3.10.0-514.16.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.16.1.el7
  • RHSA-2017:0931 Released 2017-04-12 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-514.16.1.rt56.437.el7, kernel-rt-debug-3.10.0-514.16.1.rt56.437.el7, kernel-rt-debug-devel-3.10.0-514.16.1.rt56.437.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.16.1.rt56.437.el7, kernel-rt-debug-3.10.0-514.16.1.rt56.437.el7, kernel-rt-debug-devel-3.10.0-514.16.1.rt56.437.el7 +7
  • RHSA-2017:0932 Released 2017-04-12 · 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.rt56.219.el6rt, kernel-rt-debug-1:3.10.0-514.rt56.219.el6rt, kernel-rt-debug-devel-1:3.10.0-514.rt56.219.el6rt +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2017:0931
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2017:0931
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2017:0932
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-2618
  2. 2026-10-03 Alias added: GHSA-hpw2-j46j-hpv2

References

Patch 3

Advisory 4

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

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