CVE-2024-35953: accel/ivpu: Fix deadlock in context_xa
First published: Mon May 20 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fix deadlock in context_xa ivpu_device->context_xa is locked both in kernel thread and IRQ context. It requires XA_FLAGS_LOCK_IRQ flag to be passed during initialization otherwise the lock could be acquired from a thread and interrupted by an IRQ that locks it for the second time causing the deadlock. This deadlock was reported by lockdep and observed in internal tests.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.106-3 6.1.112-1 6.10.11-1 6.11.2-1 |
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Reference Links
- https://git.kernel.org/stable/c/d43e11d9c7fcb16f18bd46ab2556c2772ffc5775
- https://git.kernel.org/stable/c/e6011411147209bc0cc14628cbc155356837e52a
- https://git.kernel.org/stable/c/fd7726e75968b27fe98534ccbf47ccd6fef686f3
- https://launchpad.net/bugs/cve/CVE-2024-35953
- https://git.kernel.org/linus/fd7726e75968b27fe98534ccbf47ccd6fef686f3
- https://security-tracker.debian.org/tracker/CVE-2024-35953
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35953
- https://nvd.nist.gov/vuln/detail/CVE-2024-35953
- https://ubuntu.com/security/CVE-2024-35953
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