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.
Product status
c656aa4c27b17a8c70da223ed5ab42145800d6b5 (git) before 8bedf1dd5640ac8997bff00bbefe241b438df397
c656aa4c27b17a8c70da223ed5ab42145800d6b5 (git) before 23e925183db26cd322597679669ad29d70ed2ada
c656aa4c27b17a8c70da223ed5ab42145800d6b5 (git) before 3adca9be14bf36b927193f05f5aea35a1a90e913
c656aa4c27b17a8c70da223ed5ab42145800d6b5 (git) before 2c1fadd221b21d8038acfe6a0f56291881d5ff76
c656aa4c27b17a8c70da223ed5ab42145800d6b5 (git) before f48ab6ee654ecc350434e4566bc785773f412b7e
c656aa4c27b17a8c70da223ed5ab42145800d6b5 (git) before ad2f60de5045bfb5d20ea468a97c8760c6a3a4f8
c656aa4c27b17a8c70da223ed5ab42145800d6b5 (git) before cf2ff10183204349edfd6b972e189375fc5f1fb0
c656aa4c27b17a8c70da223ed5ab42145800d6b5 (git) before 30fe3f5f6494f827d812ff179f295a8e532709d6
5.5
Any version before 5.5
5.10.253 (semver)
5.15.203 (semver)
6.1.168 (semver)
6.6.134 (semver)
6.12.81 (semver)
6.18.22 (semver)
6.19.12 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/8bedf1dd5640ac8997bff00bbefe241b438df397
git.kernel.org/...c/23e925183db26cd322597679669ad29d70ed2ada
git.kernel.org/...c/3adca9be14bf36b927193f05f5aea35a1a90e913
git.kernel.org/...c/2c1fadd221b21d8038acfe6a0f56291881d5ff76
git.kernel.org/...c/f48ab6ee654ecc350434e4566bc785773f412b7e
git.kernel.org/...c/ad2f60de5045bfb5d20ea468a97c8760c6a3a4f8
git.kernel.org/...c/cf2ff10183204349edfd6b972e189375fc5f1fb0
git.kernel.org/...c/30fe3f5f6494f827d812ff179f295a8e532709d6