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CVE-2026-63986.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.5CVSS 3.1 · nvd@nist.gov
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSAnalyzedModified Oct 08, 2026

Disclosure summary

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure The goto err label leads to: genlmsg_cancel(skb, ehdr); return ret; If ethnl_tsinfo_prepare_dump() failed, it has not started a genlmsg. There's nothing to cancel, and passing an error pointer to genlmsg_cancel() would cause a crash.

Source-reported weakness categories

CWE-763

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2026-63986

Open original source · Updated Oct 08, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

VendorProduct / associationVersion / bounds
linuxlinux_kernel* {"versionStartIncluding":"6.19","versionEndExcluding":"7.0.12"}
linuxlinux_kernel7.1
linuxlinux_kernel7.1
linuxlinux_kernel7.1
linuxlinux_kernel7.1
linuxlinux_kernel7.1

Original records & references

PUBLISHED 2026-07-19T12:17:17-04:00
MODIFIED 2026-10-08T10:47:43-04:00
INGESTED 2026-10-10T20:25:11-04:00