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CVE-2026-90217bpf: Compare iterator types during state pruning
- 7.8HighCVSS base score
- 0.18%Exploitation in 30 daysEPSS · top 93% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 6 days later
· 6 days later
Published
- 34 days later
· 34 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Received | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.18% · top 93% of all CVEs (15 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected dfab99df147b0d364f0c199f832ff2aedfb2265a – < 86bbaf9e6e4fa6c0dfb352e9e11fae328069233a
- affected dfab99df147b0d364f0c199f832ff2aedfb2265a – < e4ab436d5ba61e4910fd49d24bb64ddb34d493d6
- affected dfab99df147b0d364f0c199f832ff2aedfb2265a – < 6424b9cde9edc7f2098115bbfd1ee3d84a958380
- affected dfab99df147b0d364f0c199f832ff2aedfb2265a – < 83608e303b95d07afba1c15da0b5d9e513c2f15a
- affected 6.7
- unaffected < 6.7
- unaffected 6.12.114 – ≤ 6.12.*
- unaffected 6.18.57 – ≤ 6.18.*
- unaffected 7.2.6 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References4
- https://git.kernel.org/stable/c/86bbaf9e6e4fa6c0dfb352e9e11fae328069233a (opens in a new tab)
- https://git.kernel.org/stable/c/e4ab436d5ba61e4910fd49d24bb64ddb34d493d6 (opens in a new tab)
- https://git.kernel.org/stable/c/6424b9cde9edc7f2098115bbfd1ee3d84a958380 (opens in a new tab)
- https://git.kernel.org/stable/c/83608e303b95d07afba1c15da0b5d9e513c2f15a (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-81810 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-90217)Record last updated .