CVE-2026-68380
CVE-2026-68380: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityHigh7.8
High [CVE-2026-68380] Fix use-after-free of mm_struct in job scheduler
CVE-2026-68380Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix use-after-free of mm_struct in job scheduler amdxdna_cmd_submit() stores current->mm in job->mm without holding any reference. aie2_sched_job_run() later access job->mm from the DRM scheduler worker thread. With only a raw pointer and no structural reference, the mm_struct can be freed before the scheduler runs the job. Fix this by calling mmgrab() to hold a structural mm_count reference for the lifetime of the job, paired with mmdrop() in every cleanup path. A flaw was found in the Linux kernel's AMD XDNA accelerator driver. The `amdxdna_cmd_submit()` function improperly handles references to the `mm_struct` when scheduling jobs. A local attacker could potentially exploit this memory corruption to…
- Affected products in this advisory
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- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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