CVE-2026-68427

Published: Aug 10, 2026Modified: Oct 19, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Description

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings __host1x_bo_unpin() drops the last reference to the mapping and frees it, so we can't dereference mapping afterwards. The cache itself outlives the mapping, so use the cache local variable instead.

Related CWEs

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (6)

https://git.kernel.org/stable/c/266cddf7bd0f6c79b6c0633aef742a22bf70265b

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/5b7e5f84d3d4cea10c3764d2da274810a7934228

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/5f4de3c717d34a24d555af581947742980778c02

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/86a9bd8c8f422d5f3079da31e151868902fcc702

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/abeff53233b984571b87582bb588b4b38ef4ea50

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/stable/c/b773faa32b0a98c3eb2b50d96de631681e5d1157

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Timeline

No history available yet.