VYPR
Unrated severityNVD Advisory· Published Jul 19, 2026· Updated Jul 30, 2026

CVE-2026-63991

CVE-2026-63991

Description

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: 6lowpan: check skb_clone() return value in send_mcast_pkt()

The skb_clone() function can return NULL if memory allocation fails. send_mcast_pkt() calls skb_clone() without checking the return value, which can lead to a NULL pointer dereference in send_pkt() when it dereferences skb->data. Add a NULL check after skb_clone() and skip the peer if the clone fails.

Affected products

15

Patches

Vulnerability mechanics

References

8

News mentions

0

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