CVE-2026-45932
bpf: Fix tcx/netkit detach permissions when prog fd isn't given
CVSS Score
7.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 27, 2026 |
| Last Updated | May 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
e420bed025071a623d2720a92bc2245c84757ecb < 4e0772cded109c238411f2fac36ac39302758b81 e420bed025071a623d2720a92bc2245c84757ecb < 3f04cc1e5374da4c5e791ae010a06cfea7bacbe6 e420bed025071a623d2720a92bc2245c84757ecb < ae23bc81ddf7c17b663c4ed1b21e35527b0a7131
Linux / Linux
6.6