CVE-2026-45932General(linux / linux_kernel)

LOWCVSS 7.3 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Patch / fix

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

linux_kernel

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
General: 1 classified signal
1 total mentions across 1 day

Affected systems

Vendors

linux

Products

linux_kernel

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

General

1100.0%

Referenced assets1 URL

By indicator

https://windowsforum.com/threads/cve-2026-45932-linux-bpf-detach-permission-bypass-and-why-windows-shops-should-care.420347/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

WindowsForum@windowsforum137d
General
🪟 Linux BPF detach bypass is the reminder: “unprivileged” means less than it used to. Windows shops care because your WSL/containers are basically Linux-in-a-trenchcoat. #Windows #Security #Linux #CVE https://windowsforum.com/threads/cve-2026-45932-linux-bpf-detach-permission-bypass-and-why-windows-shops-should-care.420347/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #PatchManagement #LinuxKernelSecurity #WslAndContain… https://t.co/D0I0OhQquO
Post summary
The post highlights CVE‑2026‑45932, a Linux BPF detach permission bypass, noting its potential impact on Windows WSL/containers, yet it does not provide a PoC, exploitation details, active usage evidence, or a specific patch.
0000034
1.1K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
OS	linux	linux_kernel	-	-	-

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