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[lts92] Many VULNs 10-30-25 #660

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Merged
merged 4 commits into from
Oct 31, 2025
Merged

[lts92] Many VULNs 10-30-25 #660

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562511c
net: usb: smsc75xx: Limit packet length to skb->len
bmastbergen Oct 24, 2025
52c8f46
net: usb: smsc75xx: Move packet length check to prevent kernel panic …
bmastbergen Oct 24, 2025
3b5b1a2
ipv6: mcast: Delay put pmc->idev in mld_del_delrec()
bmastbergen Oct 24, 2025
473d923
ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control
bmastbergen Oct 29, 2025
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7 changes: 7 additions & 0 deletions drivers/net/usb/smsc75xx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2199,6 +2199,13 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;

if (unlikely(size > skb->len)) {
netif_dbg(dev, rx_err, dev->net,
"size err rx_cmd_a=0x%08x\n",
rx_cmd_a);
return 0;
}

if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
netif_dbg(dev, rx_err, dev->net,
"Error rx_cmd_a=0x%08x\n", rx_cmd_a);
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2 changes: 1 addition & 1 deletion net/ipv6/mcast.c
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Expand Up @@ -803,8 +803,8 @@ static void mld_del_delrec(struct inet6_dev *idev, struct ifmcaddr6 *im)
} else {
im->mca_crcount = idev->mc_qrv;
}
in6_dev_put(pmc->idev);
ip6_mc_clear_src(pmc);
in6_dev_put(pmc->idev);
kfree_rcu(pmc, rcu);
}
}
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2 changes: 1 addition & 1 deletion sound/pci/hda/patch_ca0132.c
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Expand Up @@ -4399,7 +4399,7 @@ static int add_tuning_control(struct hda_codec *codec,
}
knew.private_value =
HDA_COMPOSE_AMP_VAL(nid, 1, 0, type);
sprintf(namestr, "%s %s Volume", name, dirstr[dir]);
snprintf(namestr, sizeof(namestr), "%s %s Volume", name, dirstr[dir]);
return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
}

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