CVE-2026-45932
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data tampering, service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 7.3 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Record status
- Undergoing Analysis
Affected
- Linux Kernel < 6.18.14
- Linux Kernel < 6.19.4
Attack profile CVSS 3.1 · 7.3
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-45932.md and follow it. Check whether this project is affected by CVE-2026-45932. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/3f04cc1e5374da4c5e791ae010a06cfea7bacbe6
- https://git.kernel.org/stable/c/4e0772cded109c238411f2fac36ac39302758b81
- https://git.kernel.org/stable/c/ae23bc81ddf7c17b663c4ed1b21e35527b0a7131
References
- https://git.kernel.org/stable/c/0c249f523175963b0a746bba673ecebdf6cefd86
- https://git.kernel.org/stable/c/3f04cc1e5374da4c5e791ae010a06cfea7bacbe6
- https://git.kernel.org/stable/c/4e0772cded109c238411f2fac36ac39302758b81
- https://git.kernel.org/stable/c/8e1623e7d61faf16cbadc80550da874303611ff5
- https://git.kernel.org/stable/c/ae23bc81ddf7c17b663c4ed1b21e35527b0a7131