Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.6, < 6.18.14 |
References
- https://git.kernel.org/stable/c/3f04cc1e5374da4c5e791ae010a06cfea7bacbe6Patch
- https://git.kernel.org/stable/c/4e0772cded109c238411f2fac36ac39302758b81Patch
- https://git.kernel.org/stable/c/ae23bc81ddf7c17b663c4ed1b21e35527b0a7131Patch
FAQ
What is CVE-2026-45932?
CVE-2026-45932 is a vulnerability with a CVSS score of 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 This commit fixes a security issue where BPF_PROG_DETACH on tcx or...
How severe is CVE-2026-45932?
CVE-2026-45932 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45932?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.