SB2026080747 - Fedora 44 update for kernel
Published: August 7, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insufficient Control Flow Management (CVE-ID: CVE-2026-68480)
CWE-ID: CWE-691 - Insufficient Control Flow Management
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper control flow handling in the x86 Safe-RET sequence when interrupts are injected during execution of the sequence on SRSO-affected systems. A local user can inject interrupts during the Safe-RET sequence to disclose sensitive information.
Only systems affected by SRSO are vulnerable.
Remediation
Install update from vendor's website.