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CVE-2026-93077

Unknown

Last modified

CVE-2026-93077 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: cxl/features: Clamp Get Feature output size to the remaining buffer cxl_get_feature() reads a feature in a loop but passes a fixed size_out as the output capacity every iteration. On the last partial iteration the buffer has less room left, so a device that returns more than asked can overflow feat_out. Use the per-iter size data_to_rd_size, which already tracks the remaining room, as the output capacity..

Description

In the Linux kernel, the following vulnerability has been resolved: cxl/features: Clamp Get Feature output size to the remaining buffer cxl_get_feature() reads a feature in a loop but passes a fixed size_out as the output capacity every iteration. On the last partial iteration the buffer has less room left, so a device that returns more than asked can overflow feat_out. Use the per-iter size data_to_rd_size, which already tracks the remaining room, as the output capacity.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 5e5ac21f629de796ab5d598b59c5e468c6fe4f95, < b8abbd5c2928fd839dab702244cc57b228ab43aa; >= 5e5ac21f629de796ab5d598b59c5e468c6fe4f95, < ca95b15a0760e7724e61addbdd61050be13b6406; >= 5e5ac21f629de796ab5d598b59c5e468c6fe4f95, < 2aeb21fe557ef154f0cdf4f9745ebd8d5b31ca83
LinuxLinux6.15

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-93077?
In the Linux kernel, the following vulnerability has been resolved: cxl/features: Clamp Get Feature output size to the remaining buffer cxl_get_feature() reads a feature in a loop but passes a fixed size_out as the output capacity every iteration. On the last partial iteration the buffer has less room left, so a device that returns more than asked can overflow feat_out. Use the per-iter size data_to_rd_size, which already tracks the remaining room, as the output capacity.
How severe is CVE-2026-93077?
Severity scoring for CVE-2026-93077 is pending analysis.
How do I fix CVE-2026-93077?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST