Upstream information

CVE-2026-4878 at MITRE

Description

A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so, capabilities can be injected into or stripped from unintended executables, leading to privilege escalation.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (Red Hat) SUSE
Base Score 6.7 7
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local Local
Attack Complexity High High
Privileges Required Low Low
User Interaction Required None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
CVSS detail SUSE
Base Score 7.3
Vector CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Attack Vector Local
Attack Complexity High
Attack Requirements None
Privileges Required Low
User Interaction None
Vulnerable System Confidentiality Impact High
Vulnerable System Integrity Impact High
Vulnerable System Availability Impact High
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1261809 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7 libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 libcap Affected
SUSE Linux Enterprise Micro 5.2 libcap Affected
SUSE Linux Enterprise Micro 5.3 libcap Affected
SUSE Linux Enterprise Micro 5.4 libcap Affected
SUSE Linux Enterprise Micro 5.5 libcap Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 libcap Affected
SUSE Linux Enterprise Server 15 SP7 libcap Affected
SUSE Linux Enterprise Server 16.0 libcap Affected
SUSE Linux Enterprise Server 16.1 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 libcap Affected
SUSE Linux Enterprise Server for SAP applications 16.0 libcap Affected
SUSE Linux Enterprise Server for SAP applications 16.1 libcap Affected
SUSE Linux Micro 6.0 libcap Affected
SUSE Linux Micro 6.1 libcap Affected
SUSE Linux Micro 6.2 libcap Affected
openSUSE Leap 15.6 libcap Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS libcap Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 libcap Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 libcap Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 libcap Affected
SUSE Linux Enterprise Server 12 SP5 libcap Affected
SUSE Linux Enterprise Server 12 SP5-LTSS libcap Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security libcap Affected
SUSE Linux Enterprise Server 15 SP4 libcap Affected
SUSE Linux Enterprise Server 15 SP4-LTSS libcap Affected
SUSE Linux Enterprise Server 15 SP5 libcap Affected
SUSE Linux Enterprise Server 15 SP5-LTSS libcap Affected
SUSE Linux Enterprise Server 15 SP6 libcap Affected
SUSE Linux Enterprise Server 15 SP6-LTSS libcap Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 libcap Affected
SUSE Manager Proxy 4.3 libcap Affected
SUSE Manager Proxy LTS 4.3 libcap Affected
SUSE Manager Retail Branch Server 4.3 libcap Affected
SUSE Manager Retail Branch Server LTS 4.3 libcap Affected
SUSE Manager Server 4.3 libcap Affected
SUSE Manager Server LTS 4.3 libcap Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 libcap Affected
SUSE CaaS Platform 3.0 libcap Affected
SUSE CaaS Platform 4.0 libcap Affected
SUSE Enterprise Storage 6 libcap Affected
SUSE Enterprise Storage 7 libcap Affected
SUSE Enterprise Storage 7.1 libcap Affected
SUSE Linux Enterprise Desktop 12 libcap Affected
SUSE Linux Enterprise Desktop 12 SP1 libcap Affected
SUSE Linux Enterprise Desktop 12 SP2 libcap Affected
SUSE Linux Enterprise Desktop 12 SP3 libcap Affected
SUSE Linux Enterprise Desktop 12 SP4 libcap Affected
SUSE Linux Enterprise Desktop 15 libcap Affected
SUSE Linux Enterprise Desktop 15 SP1 libcap Affected
SUSE Linux Enterprise Desktop 15 SP2 libcap Affected
SUSE Linux Enterprise Desktop 15 SP3 libcap Affected
SUSE Linux Enterprise Desktop 15 SP4 libcap Affected
SUSE Linux Enterprise Desktop 15 SP5 libcap Affected
SUSE Linux Enterprise Desktop 15 SP6 libcap Affected
SUSE Linux Enterprise High Performance Computing 15 libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS libcap Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 libcap Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS libcap Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS libcap Affected
SUSE Linux Enterprise Micro 5.0 libcap Affected
SUSE Linux Enterprise Micro 5.1 libcap Affected
SUSE Linux Enterprise Module for Basesystem 15 libcap Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 libcap Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 libcap Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 libcap Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT libcap Affected
SUSE Linux Enterprise Real Time 15 SP2 libcap Affected
SUSE Linux Enterprise Real Time 15 SP3 libcap Affected
SUSE Linux Enterprise Real Time 15 SP4 libcap Affected
SUSE Linux Enterprise Server 12 libcap Affected
SUSE Linux Enterprise Server 12 SP1 libcap Affected
SUSE Linux Enterprise Server 12 SP1-LTSS libcap Affected
SUSE Linux Enterprise Server 12 SP2 libcap Affected
SUSE Linux Enterprise Server 12 SP2-BCL libcap Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS libcap Affected
SUSE Linux Enterprise Server 12 SP2-LTSS libcap Affected
SUSE Linux Enterprise Server 12 SP3 libcap Affected
SUSE Linux Enterprise Server 12 SP3-BCL libcap Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS libcap Affected
SUSE Linux Enterprise Server 12 SP3-LTSS libcap Affected
SUSE Linux Enterprise Server 12 SP4 libcap Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS libcap Affected
SUSE Linux Enterprise Server 12 SP4-LTSS libcap Affected
SUSE Linux Enterprise Server 12-LTSS libcap Affected
SUSE Linux Enterprise Server 15 libcap Affected
SUSE Linux Enterprise Server 15 SP1 libcap Affected
SUSE Linux Enterprise Server 15 SP1-BCL libcap Affected
SUSE Linux Enterprise Server 15 SP1-LTSS libcap Affected
SUSE Linux Enterprise Server 15 SP2 libcap Affected
SUSE Linux Enterprise Server 15 SP2-BCL libcap Affected
SUSE Linux Enterprise Server 15 SP2-LTSS libcap Affected
SUSE Linux Enterprise Server 15 SP3 libcap Affected
SUSE Linux Enterprise Server 15 SP3-BCL libcap Affected
SUSE Linux Enterprise Server 15 SP3-LTSS libcap Affected
SUSE Linux Enterprise Server 15-LTSS libcap Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 12 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 15 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libcap Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 libcap Affected
SUSE Linux Enterprise Software Development Kit 12 libcap Affected
SUSE Linux Enterprise Software Development Kit 12 SP1 libcap Affected
SUSE Linux Enterprise Software Development Kit 12 SP2 libcap Affected
SUSE Linux Enterprise Software Development Kit 12 SP3 libcap Affected
SUSE Linux Enterprise Software Development Kit 12 SP4 libcap Affected
SUSE Linux Enterprise Software Development Kit 12 SP5 libcap Affected
SUSE Manager Proxy 4.0 libcap Affected
SUSE Manager Proxy 4.1 libcap Affected
SUSE Manager Proxy 4.2 libcap Affected
SUSE Manager Retail Branch Server 4.0 libcap Affected
SUSE Manager Retail Branch Server 4.1 libcap Affected
SUSE Manager Retail Branch Server 4.2 libcap Affected
SUSE Manager Server 4.0 libcap Affected
SUSE Manager Server 4.1 libcap Affected
SUSE Manager Server 4.2 libcap Affected
SUSE OpenStack Cloud 7 libcap Affected
SUSE OpenStack Cloud 8 libcap Affected
SUSE OpenStack Cloud 9 libcap Affected
SUSE OpenStack Cloud Crowbar 8 libcap Affected
SUSE OpenStack Cloud Crowbar 9 libcap Affected
openSUSE Leap 15.3 libcap Affected
openSUSE Leap 15.4 libcap Affected
openSUSE Leap 15.5 libcap Affected
openSUSE Leap Micro 5.2 libcap Affected
openSUSE Leap Micro 5.3 libcap Affected
openSUSE Leap Micro 5.4 libcap Affected
openSUSE Leap Micro 5.5 libcap Affected


SUSE Timeline for this CVE

CVE page created: Tue Apr 7 17:03:03 2026
CVE page last modified: Thu Apr 9 22:45:17 2026