CVE-2026-64221
CVE-2026-64221: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
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Red Hat
1 advisory- Advisory severityHigh7.0
High [CVE-2026-64221] Linux kernel: spi: ti-qspi use-after-free allows privilege escalation or denial of service
CVE-2026-64221Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: spi: ti-qspi: fix use-after-free after DMA setup failure The driver falls back to PIO mode if DMA setup fails during probe. Make sure to clear the DMA channel pointer also if buffer allocation fails to avoid passing a pointer to the released channel to the DMA engine (or trying to free the channel a second time on late probe errors or driver unbind). This issue was flagged by Sashiko when reviewing a devres allocation conversion patch. If the DMA channel pointer is not properly cleared after a buffer allocation failure, it can lead to the use of a freed memory region. This could allow a local attacker to cause a denial of service or potentially escalate privileges. Red Hat severity: Important — CVSS 7…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- 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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