CVE-2026-100074

bpf: Mark bpf_refcount field as unique

MEDIUM
5.5
CVSS Score
Published: September 25, 2026 at 01:06 PM UTC
Updated: October 21, 2026 at 01:18 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf_refcount field as unique BPF_REFCOUNT is not marked as a unique field, while it should be. Fix this oversight.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.19 ≤ v < 7.2.66.4 ≤ v < 6.18.526.4d54730b50bae1f3119bd686d551d66f0fcc387ca
Vendor states this is fixed in 61e655391cb19c31f94ecd4354f624c81ce4cf75 (fixed)
Vendor states this is fixed in 641f814965d733936ca3618d4d5a12a8fa9be00e (fixed)
Vendor states this is fixed in e42cede6f90177f4f92f80d3de18f628e61d2087 (fixed)
Vendor states this is fixed in 6.12.114 (unaffected)
Vendor states this is fixed in 6.18.52 (unaffected)
Vendor states this is fixed in 6.4 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
NVD-CWE-noinfo

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