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Merge branch 'net-hamradio-fix-missing-input-validation-in-bpqether-and-scc'

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Mashiro Chen says:

====================
net: hamradio: fix missing input validation in bpqether and scc

This series fixes two missing input validation bugs in the hamradio
drivers. Both patches were reviewed by Joerg Reuter (hamradio
maintainer).
====================

Link: https://patch.msgid.link/20260409024927.24397-1-mashiro.chen@mailbox.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2026-04-12 13:19:07 -07:00
commit 2654557112
2 changed files with 5 additions and 0 deletions
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3
drivers/net/hamradio/bpqether.c
View File

@ -187,6 +187,9 @@ static int bpq_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_ty
len = skb->data[0] + skb->data[1] * 256 - 5;
if (len < 0 || len > skb->len - 2)
goto drop_unlock;
skb_pull(skb, 2); /* Remove the length bytes */
skb_trim(skb, len); /* Set the length of the data */

2
drivers/net/hamradio/scc.c
View File

@ -1909,6 +1909,8 @@ static int scc_net_siocdevprivate(struct net_device *dev,
if (!capable(CAP_SYS_RAWIO)) return -EPERM;
if (!arg || copy_from_user(&memcfg, arg, sizeof(memcfg)))
return -EINVAL;
if (memcfg.bufsize < 16)
return -EINVAL;
scc->stat.bufsize = memcfg.bufsize;
return 0;