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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49202Bluetooth: hci_uart: add missing NULL check in h5_enqueue

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 82.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_uart: add missing NULL check in h5_enqueue Syzbot hit general protection fault in __pm_runtime_resume(). The problem was in missing NULL check. hu->serdev can be NULL and we should not blindly pass &serdev->dev somewhere, since it will cause GPF.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.17.3-1DEBIAN-CVE-2022-49202
Debian:13linux5.17.3-1DEBIAN-CVE-2022-49202
Debian:14linux5.17.3-1DEBIAN-CVE-2022-49202
Ubuntu:22.04:LTSlinux5.15.0-37.39UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-aws5.15.0-1011.14UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-azure5.15.0-1010.12UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-gcp5.15.0-1008.12UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-gke5.15.0-1008.10UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-ibm5.15.0-1007.8UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1008.11UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-kvm5.15.0-1010.11UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-37.39UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-oracle5.15.0-1009.12UBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-raspi5.15.0-1011.13UBUNTU-CVE-2022-49202
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49202
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49202

Affected products (as reported)

VendorProductVersions
Linux Linux d9dd833cf6d29695682ec7e7924c0d0992b906bc – before 7235485433d290367d60ae22fcdfc565e61d42abd9dd833cf6d29695682ec7e7924c0d0992b906bc – before e6b6c904c0f88588b6a3ace20e4c0d61eab124f8d9dd833cf6d29695682ec7e7924c0d0992b906bc – before 8a3896c30f542439d36303183dc96f65df8cc528d9dd833cf6d29695682ec7e7924c0d0992b906bc – before 32cb08e958696908a9aad5e49a78d74f7e32fffb
Linux Linux 5.15

References