- —Not scoredno CVSS score yet
- 0.19%Exploitation in 30 daysEPSS · top 91% 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: nfc: fdp: bound the device-reported read length and fix an skb leak fdp_nci_i2c_read() takes the next packet length from two device-supplied bytes and never validates it. The value is a u16 used as the i2c_master_recv() count into a 261-byte on-stack buffer: a malicious, counterfeit or malfunctioning controller (or an i2c bus interposer) can drive it far past the buffer for a stack out-of-bounds write that clobbers the canary and return address, or below the minimum frame size (directly, or by truncating the computed sum) so the header/LRC strip and the next length read run past a short receive. Reject a length outside [FDP_NCI_I2C_MIN_PAYLOAD, FDP_NCI_I2C_MAX_PAYLOAD], as a corrupted packet already is, and force resynchronization. The same loop allocates one data skb per iteration and assumes a length packet followed by a data packet; a device that sends two data packets in one call leaks the first skb when the second allocation overwrites it. Free a previously allocated skb before allocating the next.
Timeline
ID reserved
By Linux
- 9 days later
· 9 days later
Published
- 45 days later
· 45 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
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.
- EPSS (exploitation in 30 days)
- 0.19% · top 91% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < d9498ab9a78cb63d78dbe4f221d8cc6c91f285ee
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < 1fc32327b927a6e2cde086f82575c29880844228
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < 8d2c243b79854628ff076c38748c020042f02f57
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < fc3c2bd5b1ec6c7cbc8a50e32d9bcec114f25463
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < 0d723090645b82c1cb27cfd7ebf81f0e7c96bcae
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < db7e464b350969c6ea8340de00d9796e5fd5123b
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < e5eec121f2c3bc4c7022613bedd9121a8aa4c949
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < 1aa3fc769b0c45bd19f8dab1697084c2b3f6d706
- affected a06347c04c13e380afce0c9816df51f00b83faf1 – < 7ad21dcfeb5181af0c3ee2608808c0c0a5283aa1
- affected 4.4
- unaffected < 4.4
- unaffected 5.10.267 – ≤ 5.10.*
- unaffected 5.15.218 – ≤ 5.15.*
- unaffected 6.1.185 – ≤ 6.1.*
- unaffected 6.6.154 – ≤ 6.6.*
- unaffected 6.12.106 – ≤ 6.12.*
- unaffected 6.18.47 – ≤ 6.18.*
- unaffected 7.1.11 – ≤ 7.1.*
- unaffected 7.2.1 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References9
- https://git.kernel.org/stable/c/d9498ab9a78cb63d78dbe4f221d8cc6c91f285ee (opens in a new tab)
- https://git.kernel.org/stable/c/1fc32327b927a6e2cde086f82575c29880844228 (opens in a new tab)
- https://git.kernel.org/stable/c/8d2c243b79854628ff076c38748c020042f02f57 (opens in a new tab)
- https://git.kernel.org/stable/c/fc3c2bd5b1ec6c7cbc8a50e32d9bcec114f25463 (opens in a new tab)
- https://git.kernel.org/stable/c/0d723090645b82c1cb27cfd7ebf81f0e7c96bcae (opens in a new tab)
- https://git.kernel.org/stable/c/db7e464b350969c6ea8340de00d9796e5fd5123b (opens in a new tab)
- https://git.kernel.org/stable/c/e5eec121f2c3bc4c7022613bedd9121a8aa4c949 (opens in a new tab)
- https://git.kernel.org/stable/c/1aa3fc769b0c45bd19f8dab1697084c2b3f6d706 (opens in a new tab)
- https://git.kernel.org/stable/c/7ad21dcfeb5181af0c3ee2608808c0c0a5283aa1 (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-2026-71237 (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-2026-80802)Record last updated .