NFC: pn533: bound the UART receive buffer (Linux Linux)

CVE-2026-43032
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.12 % · centile 2 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: NFC: pn533: bound the UART receive buffer pn532_receive_buf() appends every incoming byte to dev->recv_skb and only resets the buffer after pn532_uart_rx_is_frame() recognizes a complete frame. A continuous stream of bytes without a valid PN532 frame header therefore keeps growing the skb until skb_put_u8() hits the tail limit. Drop the accumulated partial frame once the fixed receive buffer is full so malformed UART traffic cannot grow the skb past PN532_UART_SKB_BUFF_LEN.

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected c656aa4c27b17a8c70da223ed5ab42145800d6b5 < 8bedf1dd5640ac8997bff00bbefe241b438df397 ; affected c656aa4c27b17a8c70da223ed5ab42145800d6b5 < 23e925183db26cd322597679669ad29d70ed2ada ; affected c656aa4c27b17a8c70da223ed5ab42145800d6b5 < 3adca9be14bf36b927193f05f5aea35a1a90e913 ; affected c656aa4c27b17a8c70da223ed5ab42145800d6b5 < 2c1fadd221b21d8038acfe6a0f56291881d5ff76 ; affected c656aa4c27b17a8c70da223ed5ab42145800d6b5 < f48ab6ee654ecc350434e4566bc785773f412b7e ; affected c656aa4c27b17a8c70da223ed5ab42145800d6b5 < ad2f60de5045bfb5d20ea468a97c8760c6a3a4f8
Linux · Linuxaffected 5.5 ; unaffected 0 < 5.5 ; unaffected 5.10.253 ≤ 5.10.* ; unaffected 5.15.203 ≤ 5.15.* ; unaffected 6.1.168 ≤ 6.1.* ; unaffected 6.6.134 ≤ 6.6.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD