Description
In the Linux kernel before 5.16.3, drivers/bluetooth/hci_qca.c misinterprets the devm_gpiod_get_index_optional return value (expects it to be NULL in the error case, whereas it is actually an error pointer).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.16.7-1 | — |
| Debian 13 | linux | 5.16.7-1 | — |
| Debian 12 | linux | 5.16.7-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | linux-riscv | No fix yet | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1024.26 | — |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.102.1-1 | — |
Advisories 1
- WID-SEC-2023-0540 Linux Kernel: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Feb 27, 2024