CVE-2026-45932

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.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/0c249f523175963b0a746bba673ecebdf6cefd86
https://git.kernel.org/stable/c/3f04cc1e5374da4c5e791ae010a06cfea7bacbe6	Patch
https://git.kernel.org/stable/c/4e0772cded109c238411f2fac36ac39302758b81	Patch
https://git.kernel.org/stable/c/8e1623e7d61faf16cbadc80550da874303611ff5
https://git.kernel.org/stable/c/ae23bc81ddf7c17b663c4ed1b21e35527b0a7131	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

21 Oct 2026, 13:18

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/0c249f523175963b0a746bba673ecebdf6cefd86 - () https://git.kernel.org/stable/c/8e1623e7d61faf16cbadc80550da874303611ff5 -

Information

Published : 2026-05-27 14:17

Updated : 2026-10-21 13:18

NVD link : CVE-2026-45932

Mitre link : CVE-2026-45932

CVE.ORG link : CVE-2026-45932

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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