USN-8828-1: dracut Ubuntu
Vulnerability summary
USN-8828-1 is a vulnerability in dracut Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 4 · Downstream 0 · Related 4Timeline
- 28-09-2026PublishedVulnerability first disclosed.
- 28-09-2026Last modifiedVulnerability information updated.
Description
dracut vulnerabilities It was discovered that dracut created initramfs images with overly permissive permissions under certain circumstances. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-8637) It was discovered that dracut did not properly sanitize DHCP options before writing them to shell scripts under certain circumstances. A remote attacker controlling a DHCP server on the local network could possibly use this issue to execute arbitrary code as root during system boot. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-6893) It was discovered that dracut did not properly quote error messages written to shell scripts under certain circumstances. A remote attacker controlling a DHCP server on the local network could possibly use this issue to execute arbitrary code as root during system boot. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-15816) It was discovered that dracut did not properly sanitize network configuration data before writing it to a temporary shell script under certain circumstances. A remote attacker controlling DHCP on the local network could possibly use this issue to execute arbitrary code as root during system boot. This issue only affected Ubuntu 22.04 LTS. (CVE-2026-16445)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- dracut< 044+3-3ubuntu0.1~esm1 | < 047-2ubuntu0.1~esm1 | < 048+80-2ubuntu0.1~esm1 | < 051-1ubuntu0.1~esm1 | < 060+5-1ubuntu3.4 | < 110-11ubuntu0.1
1 vendor · 1 product