CVE-2026-45932 — bpf: Fix tcx/netkit detach permissions when prog fd isn't given
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix tcx/netkit detach permissions when prog fd isn't given This commit fixes a security issue where BP…
Published: 2026-05-27 · CVSS: 7.3 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix tcx/netkit detach permissions when prog fd isn't given This commit fixes a security issue where BPF_PROG_DETACH on tcx or netkit devices could be executed by any user when no program fd was provided, bypassing permission checks. The fix adds a capability check for CAP_NET_ADMIN or CAP_SYS_ADMIN in this case.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7