[PATCH v2 0/3] net: dhcp: fix buffer overflows

[Sascha Hauer]

Fix buffer overflows on malicious incoming network packets or user data
in the dhcp code.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
Changes in v2:
- use first character != 0 check instead of strnlen
- Link to v1: https://lore.barebox.org/20260402-net-dhcp-buffer-overflows-v1-0-cd60b651a629@pengutronix.de

---
Sascha Hauer (3):
      net: dhcp: add bounds checking to DHCP option parsing
      net: dhcp: use xstrndup for bp_file to prevent read past field
      net: dhcp: cap DHCP option string length to 255 bytes

 net/dhcp.c | 36 +++++++++++++++++++++++++-----------
 1 file changed, 25 insertions(+), 11 deletions(-)
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base-commit: 0933e8f2ebf0d91dfcf177a4e4292b02921a53f1
change-id: 20260402-net-dhcp-buffer-overflows-94a0e80363c1

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