Race condition in Linux util-linux
Priority LOW 25CWE-267Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 12 fixed, 1 without a fix
Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat.
Summary
A race condition was found in util-linux before 2.32.1 in the way su handled the management of child processes. A local authenticated attacker could use this flaw to kill other processes with root privileges under specific conditions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00279 20th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 12 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | util-linux | 2.32.1 | — | No fix listed | CNA |
- util-linux VendorLinux Affected 2.32.1 Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:util-linux_project:util-linux:*:*:*:*:*:*:*:* | before 2.32.1 | Vulnerable | Util-linux Project |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
- cpe:2.3:a:util-linux_project:util-linux:*:*:*:*:*:*:*:* Versions before 2.32.1 Vulnerable ·Util-linux Project
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 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:6.0:*:*:*:*:*:*:* Versions 6.0 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
Remediation
Red Hat 2 advisories
- RHSA-2017:0907 Released 2017-04-12 · Red Hat rating Moderateutil-linux security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) libblkid-2.23.2-33.el7_3.2, libmount-2.23.2-33.el7_3.2, libuuid-2.23.2-33.el7_3.2 +2
- Red Hat Enterprise Linux Client Optional (v. 7) libblkid-devel-2.23.2-33.el7_3.2, libmount-devel-2.23.2-33.el7_3.2, libuuid-devel-2.23.2-33.el7_3.2
- Red Hat Enterprise Linux ComputeNode (v. 7) libblkid-2.23.2-33.el7_3.2, libmount-2.23.2-33.el7_3.2, libuuid-2.23.2-33.el7_3.2 +2
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) libblkid-devel-2.23.2-33.el7_3.2, libmount-devel-2.23.2-33.el7_3.2, libuuid-devel-2.23.2-33.el7_3.2
- Red Hat Enterprise Linux Server (v. 7) libblkid-2.23.2-33.el7_3.2, libblkid-2.23.2-33.el7_3.2.ppc, libblkid-devel-2.23.2-33.el7_3.2 +10
- Red Hat Enterprise Linux Server Optional (v. 7) libmount-devel-2.23.2-33.el7_3.2, libmount-devel-2.23.2-33.el7_3.2.ppc
- Red Hat Enterprise Linux Workstation (v. 7) libblkid-2.23.2-33.el7_3.2, libblkid-devel-2.23.2-33.el7_3.2, libmount-2.23.2-33.el7_3.2 +4
- Red Hat Enterprise Linux Workstation Optional (v. 7) libmount-devel-2.23.2-33.el7_3.2
- RHSA-2017:0654 Released 2017-03-21 · Red Hat rating Moderatecoreutils security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) coreutils-8.4-46.el6, coreutils-libs-8.4-46.el6
- Red Hat Enterprise Linux HPC Node (v. 6) coreutils-8.4-46.el6, coreutils-libs-8.4-46.el6
- Red Hat Enterprise Linux Server (v. 6) coreutils-8.4-46.el6, coreutils-libs-8.4-46.el6
- Red Hat Enterprise Linux Workstation (v. 6) coreutils-8.4-46.el6, coreutils-libs-8.4-46.el6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2017:0907 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2017:0907 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2017:0907 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2017:0907 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2017:0654 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2017:0654 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2017:0654 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2017:0907 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2017:0907 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2017:0654 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2017:0907 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2017:0907 |
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2017-2616
- 2026-10-03 Alias added: GHSA-qmwq-wgvm-pcqr
References
More Linux vulnerabilities
- 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-2021-02452 Incorrect authorization in Ubuntu linux kernel 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
Sources
- CVE-2017-2616 · CVE Program
- CVE-2017-2616 · NVD
- FIRST EPSS
- GHSA-qmwq-wgvm-pcqr · GitHub Advisory Database · CC BY 4.0
- CVE-2017-2616 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences