THREATOPS
THREAT OPS › Threat News › [NVD] CVE-2026-53000 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nat: use kfree_rcu to release ops Florian Westphal says: "Historically this is not an issue, even for normal base hooks: the data path doesn't use the original nf_hook_ops that are used to register

[NVD] CVE-2026-53000 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nat: use kfree_rcu to release ops Florian Westphal says: "Historically this is not an issue, even for normal base hooks: the data path doesn't use the original nf_hook_ops that are used to register

lownvdPublished 2026-06-24

CVE-2026-53000 CVSS: 7.8 HIGH Published: 2026-06-24T17:17:11.047

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

netfilter: nat: use kfree_rcu to release ops

Florian Westphal says:

"Historically this is not an issue, even for normal base hooks: the data path doesn't use the original nf_hook_ops that are used to register the callbacks.

However, in v5.14 I added the ability

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-53000