drm/i915/gt: Cleanup partial engine discovery failures
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Cleanup partial engine discovery failures If we abort driver initialisation in the middle of gt/engine discovery, some engines will be fully setup and some not. Those incompletely setup engines only have 'engine->release == NULL' and so will leak any of the common objects allocated. v2: - Drop the destroy_pinned_context() helper for now. It's not really worth it with just a single callsite at the moment. (Janusz)
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Cleanup partial engine discovery failures If we abort driver initialisation in the middle of gt/engine discovery, some engines will be fully setup and some not. Those incompletely setup engines only have 'engine->release == NULL' and so will leak any of the common objects allocated. v2: - Drop the destroy_pinned_context() helper for now. It's not really worth it with just a single callsite at the moment. (Janusz)
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/5c855bcc730656c4b7d30aaddcd0eafc7003e112
- https://git.kernel.org/stable/c/78350c36fb15afef423404a83dcbc5c558dce795
- https://git.kernel.org/stable/c/78a033433a5ae4fee85511ee075bc9a48312c79e
- https://git.kernel.org/stable/c/7d21587d35bc816c85a51b8686f0f7e8e676fb14
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48893.json
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-48893