CVE-2025-68766

irqchip/mchp-eic: Fix error code in mchp_eic_domain_alloc()

State: Published
Severity: Not scored
Published: Jan 5, 2026
Updated: May 11, 2026
Reserved: Dec 24, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

irqchip/mchp-eic: Fix error code in mchp_eic_domain_alloc()

If irq_domain_translate_twocell() sets "hwirq" to >= MCHP_EIC_NIRQ (2) then it results in an out of bounds access.

The code checks for invalid values, but doesn't set the error code. Return -EINVAL in that case, instead of returning success.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	00fa3461c86dd289b441d4d5a6bb236064bd207b to before 324c60a67c4b9668497940f667db14d216cc7b1bAffected 00fa3461c86dd289b441d4d5a6bb236064bd207b to before c21c606ad398eeb86a0f3aaff9ba4f2665e286c6Affected 00fa3461c86dd289b441d4d5a6bb236064bd207b to before 3873afcb57614c1aaa5b6715554d6d1c22cac95aAffected 00fa3461c86dd289b441d4d5a6bb236064bd207b to before 09efe7cfbf919c4d763bc425473fcfee0dc98356Affected 00fa3461c86dd289b441d4d5a6bb236064bd207b to before efd65e2e2fd96f7aaa5cb07d79bbbfcfc80aa552Affected 00fa3461c86dd289b441d4d5a6bb236064bd207b to before 7dbc0d40d8347bd9de55c904f59ea44bcc8dedb7Affected
LinuxLinux	5.16Affected before 5.16Not affected 6.1.160 through 6.1.Not affected 6.6.120 through 6.6.Not affected 6.12.63 through 6.12.Not affected 6.17.13 through 6.17.Not affected 6.18.2 through 6.18.*Not affected 6.19 and laterNot affected

Product

Versions

LinuxLinux

00fa3461c86dd289b441d4d5a6bb236064bd207b to before 324c60a67c4b9668497940f667db14d216cc7b1bAffected
00fa3461c86dd289b441d4d5a6bb236064bd207b to before c21c606ad398eeb86a0f3aaff9ba4f2665e286c6Affected
00fa3461c86dd289b441d4d5a6bb236064bd207b to before 3873afcb57614c1aaa5b6715554d6d1c22cac95aAffected
00fa3461c86dd289b441d4d5a6bb236064bd207b to before 09efe7cfbf919c4d763bc425473fcfee0dc98356Affected
00fa3461c86dd289b441d4d5a6bb236064bd207b to before efd65e2e2fd96f7aaa5cb07d79bbbfcfc80aa552Affected
00fa3461c86dd289b441d4d5a6bb236064bd207b to before 7dbc0d40d8347bd9de55c904f59ea44bcc8dedb7Affected

LinuxLinux

5.16Affected
before 5.16Not affected
6.1.160 through 6.1.*Not affected
6.6.120 through 6.6.*Not affected
6.12.63 through 6.12.*Not affected
6.17.13 through 6.17.*Not affected
6.18.2 through 6.18.*Not affected
6.19 and laterNot affected

References

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