CVE-2026-98296

Summary

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

Bluetooth: btintel_pcie: validate TX skb length in send_sync

btintel_pcie_prepare_tx() copies skb->len bytes into a fixed BTINTEL_PCIE_BUFFER_SIZE (4096) DMA slot via an unchecked memcpy. Oversized packets are currently rejected only in btintel_pcie_send_frame(); any future caller of btintel_pcie_send_sync() would silently overflow the DMA buffer.

Add the bounds check in btintel_pcie_send_sync() itself, right before skb_push() and the DMA copy.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6e65a09f927566f257322358d429b267548473eb < 84f353256e170dc4865d45007d1bc446ed566da7affected
LinuxLinux6e65a09f927566f257322358d429b267548473eb < c298a61e18029401486c40298a50fbeea7e7b663affected
LinuxLinux6e65a09f927566f257322358d429b267548473eb < 4b837ebd0ea21ae5cc26f02dc042edc6fe7b46b9affected
LinuxLinux6.10affected
LinuxLinux0 < 6.10unaffected
LinuxLinux6.18.54 <= 6.18.*unaffected
LinuxLinux7.2.8 <= 7.2.*unaffected
LinuxLinux7.3-rc4 <= *unaffected

Weaknesses

References