CVE-2026-90217
bpf: Compare iterator types during state pruning
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: bpf: Compare iterator types during state pruning An iterator stack slot can be MEM_RCU or PTR_UNTRUSTED. These states must not be equal, or the verifier can prune an unsafe path. Compare the pointer type for STACK_ITER slots.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 17, 2026 |
| Last Updated | Oct 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
dfab99df147b0d364f0c199f832ff2aedfb2265a < 86bbaf9e6e4fa6c0dfb352e9e11fae328069233a dfab99df147b0d364f0c199f832ff2aedfb2265a < e4ab436d5ba61e4910fd49d24bb64ddb34d493d6 dfab99df147b0d364f0c199f832ff2aedfb2265a < 6424b9cde9edc7f2098115bbfd1ee3d84a958380 dfab99df147b0d364f0c199f832ff2aedfb2265a < 83608e303b95d07afba1c15da0b5d9e513c2f15a
Linux / Linux
6.7
References
git.kernel.org: https://git.kernel.org/stable/c/86bbaf9e6e4fa6c0dfb352e9e11fae328069233a git.kernel.org: https://git.kernel.org/stable/c/e4ab436d5ba61e4910fd49d24bb64ddb34d493d6 git.kernel.org: https://git.kernel.org/stable/c/6424b9cde9edc7f2098115bbfd1ee3d84a958380 git.kernel.org: https://git.kernel.org/stable/c/83608e303b95d07afba1c15da0b5d9e513c2f15a