What’s Vulnerable › Vulnerabilities
CVE-2023-52766: i3c: mipi-i3c-hci: Fix out of bounds access in hci_dma_irq_handler
- Severity: high (CVSS 7.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-05-21 · updated 2026-08-04
- Weakness: CWE-125
Description
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fix out of bounds access in hci_dma_irq_handler Do not loop over ring headers in hci_dma_irq_handler() that are not allocated and enabled in hci_dma_init(). Otherwise out of bounds access will occur from rings->headers[i] access when i >= number of allocated ring headers.
Affected products
- Linux kernel: before 5.15.140; from 5.16 before 6.1.64; from 6.2 before 6.5.13; from 6.6 before 6.6.3 — fixed in 5.15.140, 6.1.64, 6.5.13, 6.6.3
How to fix
Upgrade to a fixed version: Linux kernel 5.15.140, 6.1.64, 6.5.13, 6.6.3. Check the vendor advisory for mitigations.
References
- https://git.kernel.org/stable/c/45a832f989e520095429589d5b01b0c65da9b574
- https://git.kernel.org/stable/c/4c86cb2321bd9c72d3b945ce7f747961beda8e65
- https://git.kernel.org/stable/c/7c2b91b30d74d7c407118ad72502d4ca28af1af6
- https://git.kernel.org/stable/c/8be39f66915b40d26ea2c18ba84b5c3d5da6809b
- https://git.kernel.org/stable/c/d23ad76f240c0f597b7a9eb79905d246f27d40df
- https://git.kernel.org/stable/c/45a832f989e520095429589d5b01b0c65da9b574
- https://git.kernel.org/stable/c/4c86cb2321bd9c72d3b945ce7f747961beda8e65
- https://git.kernel.org/stable/c/7c2b91b30d74d7c407118ad72502d4ca28af1af6
- https://git.kernel.org/stable/c/8be39f66915b40d26ea2c18ba84b5c3d5da6809b
- https://git.kernel.org/stable/c/d23ad76f240c0f597b7a9eb79905d246f27d40df
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