Not yet scoredPublished Dec 23, 2025

CVE-2025-68338net: dsa: microchip: Don't free uninitialized ksz_irq

Updated under an hour ago (Oct 27, 2026, 12:10 PM ET)

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It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: Don't free uninitialized ksz_irq If something goes wrong at setup, ksz_irq_free() can be called on uninitialized ksz_irq (for example when ksz_ptp_irq_setup() fails). It leads to freeing uninitialized IRQ numbers and/or domains. Use dsa_switch_for_each_user_port_continue_reverse() in the error path to iterate only over the fully initialized ports.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from cc13ab18b201ab630f03511060ba289b70052959 before 9428654c827fa8d38b898135d26d39ee2d544246; from cc13ab18b201ab630f03511060ba289b70052959 before 32abbcf4379a0f851d7eb9d4389e7bf5c64bf6c0; from cc13ab18b201ab630f03511060ba289b70052959 before 25b62cc5b22c45face094ae3e8717258e46d1d19	CNA record

References

References

https://git.kernel.org/stable/c/9428654c827fa8d38b898135d26d39ee2d544246
https://git.kernel.org/stable/c/32abbcf4379a0f851d7eb9d4389e7bf5c64bf6c0
https://git.kernel.org/stable/c/25b62cc5b22c45face094ae3e8717258e46d1d19

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.