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THREAT OPS › Threat News › [NVD] CVE-2026-64576 (HIGH 7.1) — In the Linux kernel, the following vulnerability has been resolved: nexthop: initialize extack in nh_res_bucket_migrate() nh_res_bucket_migrate() passes an uninitialized netlink_ext_ack to call_nexthop_res_bucket_notifiers(). When nh_notifier_res_bucket_info_init() fails (e.g.

[NVD] CVE-2026-64576 (HIGH 7.1) — In the Linux kernel, the following vulnerability has been resolved: nexthop: initialize extack in nh_res_bucket_migrate() nh_res_bucket_migrate() passes an uninitialized netlink_ext_ack to call_nexthop_res_bucket_notifiers(). When nh_notifier_res_bucket_info_init() fails (e.g.

mednvdPublished 2026-08-05

CVE-2026-64576 CVSS: 7.1 HIGH Published: 2026-08-05T08:16:37.483

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

nexthop: initialize extack in nh_res_bucket_migrate()

nh_res_bucket_migrate() passes an uninitialized netlink_ext_ack to call_nexthop_res_bucket_notifiers(). When nh_notifier_res_bucket_info_init() fails (e.g. the kzalloc returns -ENOMEM), the error is propagated

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-64576