Heap-based buffer overflow in Linux Kernal
Priority LOW 16CWE-122Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 4 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
Under some circumstances, this weakness allows a user who has access to run the “ps” utility on a machine, the ability to write almost unlimited amounts of unfiltered data into the process heap.
Why it matters now
EPSS 0.00295 22nd percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux Kernal | 3.3.0 (might be earlier) - latest | — | No fix listed | CNA |
- Linux Kernal VendorLinux Affected 3.3.0 (might be earlier) - latest Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:procps_project:procps:*:*:*:*:*:*:*:* | 3.3.0 – 4.0.3 | Vulnerable | Procps Project |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
- cpe:2.3:a:procps_project:procps:*:*:*:*:*:*:*:* Versions 3.3.0 – 4.0.3 Vulnerable ·Procps Project
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
Remediation
Red Hat 2 advisories
- RHSA-2023:7187 Released 2023-11-14 · Red Hat rating Lowprocps-ng security update
- Red Hat CodeReady Linux Builder (v. 8) procps-ng-devel-3.3.15-14.el8
- Red Hat Enterprise Linux BaseOS (v. 8) procps-ng-3.3.15-14.el8, procps-ng-i18n-3.3.15-14.el8
- RHSA-2023:6705 Released 2023-11-07 · Red Hat rating Lowprocps-ng security and bug fix update
- Red Hat CodeReady Linux Builder (v. 9) procps-ng-devel-3.3.17-13.el9
- Red Hat Enterprise Linux BaseOS (v. 9) procps-ng-3.3.17-13.el9, procps-ng-i18n-3.3.17-13.el9
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2023:7187 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2023:6705 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2023:7187 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2023:6705 |
Not affected: 1 product
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4016
- 2026-10-03 Alias added: GHSA-v76x-qfmc-m88p
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-2023-4016 · CVE Program
- CVE-2023-4016 · NVD
- FIRST EPSS
- GHSA-v76x-qfmc-m88p · GitHub Advisory Database · CC BY 4.0
- CVE-2023-4016 · Red Hat security data · CC BY 4.0
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