[PATCH 0/4] tftp: fix buffer overflows

Sascha Hauer s.hauer at pengutronix.de
Thu Apr 2 00:21:18 PDT 2026


This adds more checks on incoming network data to prevent buffer
overflows.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
Sascha Hauer (4):
      fs: tftp: prevent packet buffer overflow from long filenames
      fs: tftp: fix OACK option parsing bounds check
      fs: tftp: reject OACK with blocksize of zero
      fs: tftp: use bounded format for TFTP error message debug print

 fs/tftp.c | 45 +++++++++++++++++++++++++++++++++++----------
 1 file changed, 35 insertions(+), 10 deletions(-)
---
base-commit: 0933e8f2ebf0d91dfcf177a4e4292b02921a53f1
change-id: 20260402-net-tftp-buffer-overflows-6b839ef57261

Best regards,
-- 
Sascha Hauer <s.hauer at pengutronix.de>




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