CVE-2025-68766
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.
Affected versions
Linux kernel versions
5.16
and later are affected. Fixed in
6.1.160,
6.6.120,
6.12.63,
6.17.13,
6.18.2,
6.19
and their respective stable series.
References
The following references provide additional information about CVE-2025-68766 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/09efe7cfbf919c4d763bc425473fcfee0dc98356
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PatchKernel patch commithttps://git.kernel.org/stable/c/324c60a67c4b9668497940f667db14d216cc7b1b
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PatchKernel patch commithttps://git.kernel.org/stable/c/3873afcb57614c1aaa5b6715554d6d1c22cac95a
Frequently asked questions
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What is CVE-2025-68766?
CVE-2025-68766 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.16 onward and has been patched in 6.1.160, 6.6.120, 6.12.63 and others. CVE-2025-68766 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68766?
Yes — CVE-2025-68766 has been patched. Fixed versions include 6.1.160, 6.6.120, 6.12.63 and others. If you are running Linux kernel 5.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68766 actively exploited?
No — CVE-2025-68766 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.