CVE-2026-43105
drm/vc4: Fix memory leak of BO array in hang state
Description
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Fix memory leak of BO array in hang state The hang state's BO array is allocated separately with kzalloc() in vc4_save_hang_state() but never freed in vc4_free_hang_state(). Add the missing kfree() for the BO array before freeing the hang state struct.
INFO
Published Date :
May 6, 2026, 10:16 a.m.
Last Modified :
May 6, 2026, 1:07 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Add missing kfree() for the BO array.
- Ensure BO array is freed before hang state.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-43105.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-43105 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-43105
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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CVE-2026-43105 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-43105 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 06, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Fix memory leak of BO array in hang state The hang state's BO array is allocated separately with kzalloc() in vc4_save_hang_state() but never freed in vc4_free_hang_state(). Add the missing kfree() for the BO array before freeing the hang state struct. Added Reference https://git.kernel.org/stable/c/0d3c014a84396a147705f523a8fd6fc873e76502 Added Reference https://git.kernel.org/stable/c/421cea4f71f7cf65abaae878562ee4aa2b684628 Added Reference https://git.kernel.org/stable/c/a812008fe3a0aebb778d277b35717f64e23d0302 Added Reference https://git.kernel.org/stable/c/b8138567c4a80fd76a647849ebd4284996cf4b17 Added Reference https://git.kernel.org/stable/c/f4dfd6847b3e5d24e336bca6057485116d17aea4