CVE-2026-45932

7.3 HIGH

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix tcx/netkit detach permissions when prog fd isn't given Thi...

Published: 2026-05-27 · Last updated: 2026-05-30

Severity and scoring

CVSS: 7.3 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

Description

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: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-45932
[Other]https://git.kernel.org/stable/c/3f04cc1e5374da4c5e791ae010a06cfea7bacbe6
[Other]https://git.kernel.org/stable/c/4e0772cded109c238411f2fac36ac39302758b81
[Other]https://git.kernel.org/stable/c/ae23bc81ddf7c17b663c4ed1b21e35527b0a7131