CVE-2026-68427
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedAug 10, 2026
First seenAug 10, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- Linux Linux86a9bd8c8f422d5f3079da31e151868902fcc702, abeff53233b984571b87582bb588b4b38ef4ea50, 5b7e5f84d3d4cea10c3764d2da274810a7934228, 5f4de3c717d34a24d555af581947742980778c02, b773faa32b0a98c3eb2b50d96de631681e5d1157, 266cddf7bd0f6c79b6c0633aef742a22bf70265b, 6.1.183, 6.6.148, 6.12.101, 6.18.42, 7.1.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | af755456299d44e4ed6af3b7c70a7f03ea37fdf1 ≤ v < 86a9bd8c8f422d5f3079da31e151868902fcc702, 71c017b3f83ff72638f2a1b1d6d4e7bc61d30231 ≤ v < abeff53233b984571b87582bb588b4b38ef4ea50, 0e9dd7cfb9986b78cc81eca126ccfbf57f4c0602 ≤ v < 5b7e5f84d3d4cea10c3764d2da274810a7934228, 8c0d3cf0d5108c96317e0eca92b60dd368867cef ≤ v < 5f4de3c717d34a24d555af581947742980778c02, df63c76f9c8d881ca7bce1aecfba512328d0527d ≤ v < b773faa32b0a98c3eb2b50d96de631681e5d1157, 3cbf5e3c46e66d9b3b6b91099bb720c6cb1be3bc ≤ v < 266cddf7bd0f6c79b6c0633aef742a22bf70265b, 6.1.178 ≤ v < 6.1.183, 6.6.145 ≤ v < 6.6.148, 6.12.97 ≤ v < 6.12.101, 6.18.40 ≤ v < 6.18.42, 7.1.5 ≤ v < 7.1.6 | 86a9bd8c8f422d5f3079da31e151868902fcc702, abeff53233b984571b87582bb588b4b38ef4ea50, 5b7e5f84d3d4cea10c3764d2da274810a7934228, 5f4de3c717d34a24d555af581947742980778c02, b773faa32b0a98c3eb2b50d96de631681e5d1157, 266cddf7bd0f6c79b6c0633aef742a22bf70265b, 6.1.183, 6.6.148, 6.12.101, 6.18.42, 7.1.6 |
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