CVE-2026-98583
Unknown
Description
In 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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedOct 18, 2026
First seenOct 18, 2026
How to fix
Update
- Linux Linux842c0603cfa49530ef081f181a2ddbba77a37231, e4b012240c8aaf57cec192234c24e0db5f531ffa, f15ad9d6e9173a037587dded77c904fdae8df380, a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9, 4d4601e182c8567329be7d919669ec4d847ddd93, ed2e00bb22c73156bf8030b6204deabb25cf4eb5, 6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c, 686f942332b1667f13f3b8d6a2f50bcfbf42e277 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 3194c6870158e305dac2af52f83681e9cb67280f ≤ v < 842c0603cfa49530ef081f181a2ddbba77a37231, 3194c6870158e305dac2af52f83681e9cb67280f ≤ v < e4b012240c8aaf57cec192234c24e0db5f531ffa, 3194c6870158e305dac2af52f83681e9cb67280f ≤ v < f15ad9d6e9173a037587dded77c904fdae8df380, 3194c6870158e305dac2af52f83681e9cb67280f ≤ v < a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9, 3194c6870158e305dac2af52f83681e9cb67280f ≤ v < 4d4601e182c8567329be7d919669ec4d847ddd93, 3194c6870158e305dac2af52f83681e9cb67280f ≤ v < ed2e00bb22c73156bf8030b6204deabb25cf4eb5, 3194c6870158e305dac2af52f83681e9cb67280f ≤ v < 6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c, 3194c6870158e305dac2af52f83681e9cb67280f ≤ v < 686f942332b1667f13f3b8d6a2f50bcfbf42e277, 4.4 | 842c0603cfa49530ef081f181a2ddbba77a37231, e4b012240c8aaf57cec192234c24e0db5f531ffa, f15ad9d6e9173a037587dded77c904fdae8df380, a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9, 4d4601e182c8567329be7d919669ec4d847ddd93, ed2e00bb22c73156bf8030b6204deabb25cf4eb5, 6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c, 686f942332b1667f13f3b8d6a2f50bcfbf42e277 |
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