CVE-2026-68278: drm/dp/mst: fix buffer overflows in sideband chunk accumulation
Published Aug 10, 2026
·Updated
drm/dp/mst: fix buffer overflows in sideband chunk accumulation
Affected Software
2 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.143.1-1<6.6.150.1-1
6.6.150.1-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.150.1-1
Event History
Aug 10, 2026
CVE Published
via MITRE·12:01 PM
Data Sourced
via MITRE·12:01 PM
Description
Data Sourced
via NVD·01:20 PM
Description
Aug 11, 2026
Data Sourced
via Microsoft·08:10 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-68278?
CVE-2026-68278 has a risk severity score of 55.
2
What types of vulnerabilities are associated with CVE-2026-68278?
CVE-2026-68278 is associated with buffer overflow vulnerabilities.
3
How do I fix CVE-2026-68278?
To fix CVE-2026-68278, you should update your Linux kernel to include the latest patches addressing this vulnerability.
4
What systems are affected by CVE-2026-68278?
CVE-2026-68278 affects systems running vulnerable versions of the Linux kernel that utilize the drm_dp_sideband_append_payload() function.
5
What are the potential consequences of CVE-2026-68278 if left unpatched?
If CVE-2026-68278 is left unpatched, it may allow attackers to exploit buffer overflows, potentially leading to system crashes or arbitrary code execution.