CVE 2021-34146
The Bluetooth Classic implementation in the Cypress CYW920735Q60EVB does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and restart (crash) of the device by flooding it with LMP_AU_Rand packets after the paging procedure.
Related bugs and status
CVE-2021-34146 (Candidate) is related to these bugs:
Bug #1989713: [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-raspi (Ubuntu) | Undecided | Invalid | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-firmware-raspi (Ubuntu) | High | Fix Released | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-firmware-raspi2 (Ubuntu) | Undecided | Invalid | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-firmware-raspi (Ubuntu Kinetic) | High | Fix Released | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-firmware-raspi2 (Ubuntu Kinetic) | Undecided | Invalid | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-raspi (Ubuntu Kinetic) | Undecided | Invalid | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-firmware-raspi (Ubuntu Lunar) | High | Fix Released | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-firmware-raspi2 (Ubuntu Lunar) | Undecided | Invalid | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-raspi (Ubuntu Lunar) | Undecided | Invalid | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-firmware-raspi (Ubuntu Jammy) | High | Fix Released | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-firmware-raspi2 (Ubuntu Jammy) | Undecided | Invalid | ||
| 1989713 | [SRU] CM4 NVMe boot fails due to old start4.elf / fixup4.dat | linux-raspi (Ubuntu Jammy) | Undecided | Invalid | ||
Bug #1993937: Old start4.elf/fixup4.dat in 22.04 - nvme boot fail
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1993937 | Old start4.elf/fixup4.dat in 22.04 - nvme boot fail | linux-firmware-raspi (Ubuntu) | High | Fix Released | ||
| 1993937 | Old start4.elf/fixup4.dat in 22.04 - nvme boot fail | linux-firmware-raspi (Ubuntu Kinetic) | High | Fix Released | ||
| 1993937 | Old start4.elf/fixup4.dat in 22.04 - nvme boot fail | linux-firmware-raspi (Ubuntu Jammy) | High | Fix Released | ||
See the 
CVE page on Mitre.org
for more details.
