CVE-2026-53068: drm/komeda: fix integer overflow in AFBC framebuffer size check
drm/komeda: fix integer overflow in AFBC framebuffer size check
Affected Software
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 6.6.143.1-1 - Configuration
Update the AFBC framebuffer size validation code to compute the minimum required buffer size using check_add_overflow() for the addition of AFBC payload size and framebuffer offset, and if an overflow is detected, reject the framebuffer to prevent out-of-bounds memory access.
Linux kernel AFBC framebuffer size validation integer overflow check in size computation (use check_add_overflow()) = Use check_add_overflow() when adding AFBC payload size to framebuffer offset; if overflow is detected, reject the framebuffer
Event History
Frequently Asked Questions
What is the severity of CVE-2026-53068?
CVE-2026-53068 has a risk score of 50.
How do I fix CVE-2026-53068?
To fix CVE-2026-53068, update your Linux kernel to the latest stable version that addresses this integer overflow vulnerability.
What component is affected by CVE-2026-53068?
CVE-2026-53068 affects the drm/komeda component of the Linux kernel.
What type of vulnerability is CVE-2026-53068?
CVE-2026-53068 is classified as an integer overflow vulnerability.
What impact does CVE-2026-53068 have on systems?
CVE-2026-53068 can potentially lead to incorrect memory allocation, which may cause application crashes or arbitrary code execution.