CVE-2026-98583
N/AIn the Linux kernel, the following vulnerability has been resolved: nfc: nfcmrvl: validate helper command length before pull The firmware download receive path removes the NCI data header and reads the helper command before validating the remaining packet length. A short frame can therefore reach the data access before the malformed packet is rejected. Validate the complete helper command length before stripping the NCI data header.
NO EXPLOITATION SIGNALS
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 11th percentile
○ In CISA KEV
○ Public exploit / PoC
Impact if exploited
—CVSS · not scored
- No impact metrics
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-98583/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-98583/poc.json
References
Technical & other
- https://git.kernel.org/stable/c/842c0603cfa49530ef081f181a2ddbba77a37231
- https://git.kernel.org/stable/c/e4b012240c8aaf57cec192234c24e0db5f531ffa
- https://git.kernel.org/stable/c/f15ad9d6e9173a037587dded77c904fdae8df380
- https://git.kernel.org/stable/c/a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9
- https://git.kernel.org/stable/c/4d4601e182c8567329be7d919669ec4d847ddd93
- https://git.kernel.org/stable/c/ed2e00bb22c73156bf8030b6204deabb25cf4eb5
- https://git.kernel.org/stable/c/6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c
- https://git.kernel.org/stable/c/686f942332b1667f13f3b8d6a2f50bcfbf42e277