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TI-2016-04331 Aliases CVE-2016-5011GHSA-hmj7-c9x8-f363

The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux…

Priority LOW 22Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 8 fixed, 2 without a fix

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

Summary

The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate attackers to cause a denial of service (memory consumption) via a crafted MSDOS partition table with an extended partition boot record at zero offset.

Why it matters now

EPSS 0.00464 40th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 2 without a fix

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 · 19

CPEVersionsRoleVendor
cpe:2.3:a:kernel:util-linux:*:*:*:*:*:*:*:*up to 2.28Vulnerablekernel
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*7.7VulnerableRed 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:a:kernel:util-linux:*:*:*:*:*:*:*:* Versions up to 2.28 Vulnerable ·kernel
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:* Versions 7.7 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
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:a:ibm:powerkvm:2.1:*:*:*:*:*:*:*2.1VulnerableIBM
cpe:2.3:a:ibm:powerkvm:3.1:*:*:*:*:*:*:*3.1VulnerableIBM
cpe:2.3:a:ibm:power_hardware_management_console:8.8.6.0:*:*:*:*:*:*:*8.8.6.0VulnerableIBM
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:a:ibm:powerkvm:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·IBM
  • cpe:2.3:a:ibm:powerkvm:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·IBM
  • cpe:2.3:a:ibm:power_hardware_management_console:8.8.6.0:*:*:*:*:*:*:* Versions 8.8.6.0 Vulnerable ·IBM

Remediation

Red Hat 1 advisory

  • RHSA-2016:2605 Released 2016-11-03 · Red Hat rating Low
    util-linux security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) libblkid-2.23.2-33.el7, libmount-2.23.2-33.el7, libuuid-2.23.2-33.el7 +2
    • Red Hat Enterprise Linux Client Optional (v. 7) libblkid-devel-2.23.2-33.el7, libmount-devel-2.23.2-33.el7, libuuid-devel-2.23.2-33.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) libblkid-2.23.2-33.el7, libmount-2.23.2-33.el7, libuuid-2.23.2-33.el7 +2
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libblkid-devel-2.23.2-33.el7, libmount-devel-2.23.2-33.el7, libuuid-devel-2.23.2-33.el7
    • Red Hat Enterprise Linux Server (v. 7) libblkid-2.23.2-33.el7, libblkid-2.23.2-33.el7.ppc, libblkid-devel-2.23.2-33.el7 +10
    • Red Hat Enterprise Linux Server Optional (v. 7) libmount-devel-2.23.2-33.el7, libmount-devel-2.23.2-33.el7.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) libblkid-2.23.2-33.el7, libblkid-devel-2.23.2-33.el7, libmount-2.23.2-33.el7 +4
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libmount-devel-2.23.2-33.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:2605
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:2605
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:2605
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:2605
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:2605
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:2605
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:2605
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:2605

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-5011
  2. 2026-10-03 Alias added: GHSA-hmj7-c9x8-f363

References

Patch 2

Advisory 3

Sources

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