USN-8895-2: Sudo vulnerability
USN-8895-2
Summary
It was discovered that libvirt had an integer overflow vulnerability in the NodeGetFreePages RPC handler. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-18917)
It was discovered that libvirt did not correctly handle symbolic links when changing ownership of the TPM emulator log file. A local attacker with access to the swtpm account could possibly use this issue to cause libvirt to change the ownership of an arbitrary file. (CVE-2026-77159)
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 2
Updates
- Published by Ubuntu
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.