Review reviewHigh

CVE-2023-52766

Linux Linux, linux kernel

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.

CVSS: 7.1
EPSS: 0.25%
CISA KEV: Not listed
Published: 2024.05.22

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.25%

Technical severityCVSS 7.1

Vulnerability overview

Affected product and versions

Product: Linux Linux, linux kernel
Affected versions: >= 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 < d23ad76f240c0f597b7a9eb79905d246f27d40df, >= 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 < 8be39f66915b40d26ea2c18ba84b5c3d5da6809b, >= 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 < 7c2b91b30d74d7c407118ad72502d4ca28af1af6, >= 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 < 4c86cb2321bd9c72d3b945ce7f747961beda8e65, >= 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 < 45a832f989e520095429589d5b01b0c65da9b574, >= 5.0, < 5.15.140, >= 5.16 < 6.1.64, >= 6.2 < 6.5.13, >= 6.6 < 6.6.3
Fixed versions: 5.15.140, 6.1.64, 6.5.13, 6.6.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux Linux, linux kernel and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE: CWE-125