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TI-2016-00653 Aliases CVE-2016-0728GHSA-pm5x-hxhr-68w7

The join_session_keyring function in security/keys/process_keys.c in the Linux kernel…

Priority MEDIUM 40Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.

Why it matters now

EPSS 0.03471 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Red Hat: 4 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 · 31

CPEVersionsRoleVendor
cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*4.0VulnerableGoogle
cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:*4.0.1VulnerableGoogle
cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:*4.0.2VulnerableGoogle
cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:*4.0.3VulnerableGoogle
cpe:2.3:o:google:android:4.0.4:*:*:*:*:*:*:*4.0.4VulnerableGoogle
cpe:2.3:o:google:android:4.1:*:*:*:*:*:*:*4.1VulnerableGoogle
cpe:2.3:o:google:android:4.1.2:*:*:*:*:*:*:*4.1.2VulnerableGoogle
cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:*4.2VulnerableGoogle
cpe:2.3:o:google:android:4.2.1:*:*:*:*:*:*:*4.2.1VulnerableGoogle
cpe:2.3:o:google:android:4.2.2:*:*:*:*:*:*:*4.2.2VulnerableGoogle
  • cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:* Versions 4.2 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·Google
Show 21 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:google:android:4.3:*:*:*:*:*:*:*4.3VulnerableGoogle
cpe:2.3:o:google:android:4.3.1:*:*:*:*:*:*:*4.3.1VulnerableGoogle
cpe:2.3:o:google:android:4.4:*:*:*:*:*:*:*4.4VulnerableGoogle
cpe:2.3:o:google:android:4.4.1:*:*:*:*:*:*:*4.4.1VulnerableGoogle
cpe:2.3:o:google:android:4.4.2:*:*:*:*:*:*:*4.4.2VulnerableGoogle
cpe:2.3:o:google:android:4.4.3:*:*:*:*:*:*:*4.4.3VulnerableGoogle
cpe:2.3:o:google:android:5.0:*:*:*:*:*:*:*5.0VulnerableGoogle
cpe:2.3:o:google:android:5.0.1:*:*:*:*:*:*:*5.0.1VulnerableGoogle
cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*5.0.2VulnerableGoogle
cpe:2.3:o:google:android:5.1:*:*:*:*:*:*:*5.1VulnerableGoogle
cpe:2.3:o:google:android:5.1.0:*:*:*:*:*:*:*5.1.0VulnerableGoogle
cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*5.1.1VulnerableGoogle
cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*6.0VulnerableGoogle
cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*6.0.1VulnerableGoogle
cpe:2.3:a:hp:server_migration_pack:*:*:*:*:*:*:*:*up to 7.5VulnerableHewlett Packard Enterprise
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*3.8 to before 3.10.95; 3.11 to before 3.12.53; 3.13 to before 3.14.59; 3.15 to before 3.16.35; 3.17 to before 3.18.26; 3.19 to before 4.1.16; 4.2 to before 4.3.4; 4.4 to before 4.4.1VulnerableLinux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*15.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*15.10VulnerableCanonical
  • cpe:2.3:o:google:android:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.4:*:*:*:*:*:*:* Versions 4.4 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.4.1:*:*:*:*:*:*:* Versions 4.4.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.4.2:*:*:*:*:*:*:* Versions 4.4.2 Vulnerable ·Google
  • cpe:2.3:o:google:android:4.4.3:*:*:*:*:*:*:* Versions 4.4.3 Vulnerable ·Google
  • cpe:2.3:o:google:android:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Google
  • cpe:2.3:o:google:android:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:* Versions 5.0.2 Vulnerable ·Google
  • cpe:2.3:o:google:android:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:5.1.0:*:*:*:*:*:*:* Versions 5.1.0 Vulnerable ·Google
  • cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:* Versions 5.1.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Google
  • cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·Google
  • cpe:2.3:a:hp:server_migration_pack:*:*:*:*:*:*:*:* Versions up to 7.5 Vulnerable ·Hewlett Packard Enterprise
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.8 to before 3.10.95; 3.11 to before 3.12.53; 3.13 to before 3.14.59; 3.15 to before 3.16.35; 3.17 to before 3.18.26; 3.19 to before 4.1.16; 4.2 to before 4.3.4; 4.4 to before 4.4.1 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical

Remediation

Red Hat 4 advisories

  • RHSA-2016:0103 Released 2016-02-02 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.1) kernel-3.10.0-229.26.2.el7, kernel-abi-whitelists-3.10.0-229.26.2.el7, kernel-debug-3.10.0-229.26.2.el7 +7
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) kernel-tools-libs-devel-3.10.0-229.26.2.el7, python-perf-3.10.0-229.26.2.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.1) kernel-3.10.0-229.26.2.ael7b, kernel-3.10.0-229.26.2.el7, kernel-abi-whitelists-3.10.0-229.26.2.ael7b +20
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.1) kernel-debug-devel-3.10.0-229.26.2.ael7b, kernel-tools-libs-devel-3.10.0-229.26.2.ael7b, kernel-tools-libs-devel-3.10.0-229.26.2.el7 +2
  • RHSA-2016:0068 Released 2016-01-26 · Red Hat rating Important
    kernel-rt security update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-327.rt56.170.el6rt, kernel-rt-debug-1:3.10.0-327.rt56.170.el6rt, kernel-rt-debug-devel-1:3.10.0-327.rt56.170.el6rt +7
  • RHSA-2016:0064 Released 2016-01-25 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-327.4.5.el7, kernel-abi-whitelists-3.10.0-327.4.5.el7, kernel-debug-3.10.0-327.4.5.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.4.5.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-327.4.5.el7, kernel-abi-whitelists-3.10.0-327.4.5.el7, kernel-debug-3.10.0-327.4.5.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.4.5.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-327.4.5.el7, kernel-abi-whitelists-3.10.0-327.4.5.el7, kernel-bootwrapper-3.10.0-327.4.5.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-327.4.5.el7, kernel-tools-libs-devel-3.10.0-327.4.5.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-327.4.5.el7, kernel-abi-whitelists-3.10.0-327.4.5.el7, kernel-debug-3.10.0-327.4.5.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.4.5.el7
Show 1 more Red Hat advisories
  • RHSA-2016:0065 Released 2016-01-25 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-327.4.5.rt56.206.el7_2, kernel-rt-debug-3.10.0-327.4.5.rt56.206.el7_2, kernel-rt-debug-devel-3.10.0-327.4.5.rt56.206.el7_2 +4

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-2016:0064
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:0064
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:0064
Red Hat Enterprise Linux ComputeNode EUS (v. 7.1)Fixed RHSA-2016:0103
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:0064
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1)Fixed RHSA-2016:0103
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2016:0065
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:0064
Red Hat Enterprise Linux Server EUS (v. 7.1)Fixed RHSA-2016:0103
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:0064
Red Hat Enterprise Linux Server Optional EUS (v. 7.1)Fixed RHSA-2016:0103
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:0064
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:0064
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2016:0068
Not affected: 3 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-0728
  2. 2026-10-03 Alias added: GHSA-pm5x-hxhr-68w7

References

Exploit 1

Advisory 39

Sources

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