CVE-2026-46058
7.8 HIGHIn the Linux kernel, the following vulnerability has been resolved: media: amphion: Fix race between m2m job_abort and device_run Fix k...
Published: 2026-05-27 · Last updated: 2026-06-16
Severity and scoring
- CVSS
- 7.8 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-362
Affected products
| Vendor | Product |
|---|---|
| linux | linux_kernel |
Description
In the Linux kernel, the following vulnerability has been resolved: media: amphion: Fix race between m2m job_abort and device_run Fix kernel panic caused by race condition where v4l2_m2m_ctx_release() frees m2m_ctx while v4l2_m2m_try_run() is about to call device_run with the same context. Race sequence: v4l2_m2m_try_run(): v4l2_m2m_ctx_release(): lock/unlock v4l2_m2m_cancel_job() job_abort() v4l2_m2m_job_finish() kfree(m2m_ctx) <- frees ctx device_run() <- use-after-free crash at 0x538 Crash trace: Unable to handle kernel read from unreadable memory at virtual address 0000000000000538 v4l2_m2m_try_run+0x78/0x138 v4l2_m2m_device_run_work+0x14/0x20 The amphion vpu driver does not rely on the m2m framework's device_run callback to perform encode/decode operations. Fix the race by preventing m2m framework job scheduling entirely: - Add job_ready callback returning 0 (no jobs ready for m2m framework) - Remove job_abort callback to avoid the race condition
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-46058
- [Patch]https://git.kernel.org/stable/c/42dc622776f3ce1a6c31b13bdc686f7295e3b323
- [Patch]https://git.kernel.org/stable/c/516467052fdfc6a13eadc70d43420ae57436bf3c
- [Patch]https://git.kernel.org/stable/c/6be2cb75bc1300080cfc8051579f22efae9401f7
- [Patch]https://git.kernel.org/stable/c/8cd35ceadcfc8c5da2eb7f7ce24525ce9d4ee62e
- [Patch]https://git.kernel.org/stable/c/da4f46c5cf1d26e6b09418ad453e152f2e75a02c
- [Patch]https://git.kernel.org/stable/c/fdc150dac1adb9a98be9d6956cff0348838b024a
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