CVE-2024-42309: drm/gma500: fix null pointer dereference in psb_intel_lvds_get_modes
drm/gma500: fix null pointer dereference in psbintellvdsgetmodes
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
Upgrade
debian/linux-6.1to a version that resolves this vulnerability.Fixed in 6.1.129-1~deb11u1 - Compensating control
In psb_intel_lvds_get_modes(), check whether drm_mode_duplicate() returned NULL before dereferencing the assigned mode value.
Event History
Frequently Asked Questions
What is the severity of CVE-2024-42309?
CVE-2024-42309 is classified with a medium severity level due to the potential for a null pointer dereference in the Linux kernel.
How do I fix CVE-2024-42309?
To fix CVE-2024-42309, update the Linux kernel to versions 5.10.226-1, 6.1.123-1, or later specified versions.
What software is affected by CVE-2024-42309?
CVE-2024-42309 affects specific versions of the Linux kernel, including versions between 3.3 and 6.6.44.
Can CVE-2024-42309 lead to a system compromise?
Although CVE-2024-42309 involves a null pointer dereference, it could potentially lead to system instability rather than direct compromise.
Is there a workaround for CVE-2024-42309?
No specific workaround is recommended for CVE-2024-42309; updating to the corrected kernel versions is advised.