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 hoo…
High CVSS 7.8
Summary
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 to dump the active netfilter hooks from userspace. This code will peek back into the nf_hook_ops that are available at the tail of the pointer-array blob used by th…
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
- :
Sources
- NVD DATABASE
Original Links
- https://git.kernel.org/stable/c/32fdd2e38e7435a368d88f5977a7d6585ebc8b0e Patch
- https://git.kernel.org/stable/c/3c7511f38ab511b791196b13ae48bf4973bf7dfd Patch
- https://git.kernel.org/stable/c/6eda0d771f94267f73f57c94630aa47e90957915 Patch
- https://access.redhat.com/errata/RHSA-2026:55445
- https://access.redhat.com/security/cve/CVE-2026-53000 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2492273 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53000.json Third Party Advisory
Timeline
- nvd_ingest NVD