Red Hat Security Advisory: crun security update
crun is a OCI runtime Security Fix(es): * crun: crun: Privilege escalation due to incorrect parsing of the `--user` option (CVE-2026-30892) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
The security advisory for Red Hat OpenShift Container Platform 4.19.37 addresses a privilege escalation vulnerability in the crun OCI runtime (CVE-2026-30892). The flaw arises from incorrect parsing of the `--user` option, which could allow an attacker to escalate privileges. The update corrects this parsing issue to prevent exploitation. The advisory also includes other fixes, but the crun vulnerability is the primary security concern. This update is rated as moderate severity and applies to OpenShift Container Platform 4.19 running on various architectures including x86_64, s390x, ppc64le, and aarch64. The vendor provides updated container images and RPM packages to remediate the issue.
Potential Impact
The vulnerability allows privilege escalation due to improper parsing of the `--user` option in crun. This could enable an attacker with access to the container runtime to gain elevated privileges, potentially compromising container isolation and security. Red Hat rates the impact as moderate. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available in Red Hat OpenShift Container Platform 4.19.37 and corresponding updated RPM packages for Red Hat Enterprise Linux 10. Users should upgrade to these updated container images and packages via the appropriate release channels. Instructions for upgrading clusters are available in Red Hat's documentation. No additional mitigation steps are indicated beyond applying the update.
Red Hat Security Advisory: crun security update
Description
crun is a OCI runtime Security Fix(es): * crun: crun: Privilege escalation due to incorrect parsing of the `--user` option (CVE-2026-30892) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The security advisory for Red Hat OpenShift Container Platform 4.19.37 addresses a privilege escalation vulnerability in the crun OCI runtime (CVE-2026-30892). The flaw arises from incorrect parsing of the `--user` option, which could allow an attacker to escalate privileges. The update corrects this parsing issue to prevent exploitation. The advisory also includes other fixes, but the crun vulnerability is the primary security concern. This update is rated as moderate severity and applies to OpenShift Container Platform 4.19 running on various architectures including x86_64, s390x, ppc64le, and aarch64. The vendor provides updated container images and RPM packages to remediate the issue.
Potential Impact
The vulnerability allows privilege escalation due to improper parsing of the `--user` option in crun. This could enable an attacker with access to the container runtime to gain elevated privileges, potentially compromising container isolation and security. Red Hat rates the impact as moderate. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available in Red Hat OpenShift Container Platform 4.19.37 and corresponding updated RPM packages for Red Hat Enterprise Linux 10. Users should upgrade to these updated container images and packages via the appropriate release channels. Instructions for upgrading clusters are available in Red Hat's documentation. No additional mitigation steps are indicated beyond applying the update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:28036
- Cve Count
- 1
Threat ID: 6a3aab56eed863c81e3a3dfb
Added to database: 06/23/2026, 15:50:46 UTC
Last enriched: 08/06/2026, 23:55:43 UTC
Last updated: 10/02/2026, 02:46:03 UTC
Views: 402
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