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kernel: Linux kernel: Denial of Service in Bluetooth HCI UART driver via null pointer dereference

🗓️ 11 Nov 2025 09:13:24Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

A race in Linux Bluetooth Host Controller Interface UART driver may dereference a null pointer during protocol initialization, causing a crash and DoS.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.7aarch64kernel5.14.0-611.5.1.el9_7kernel-5.14.0-611.5.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7ppc64lekernel5.14.0-611.5.1.el9_7kernel-5.14.0-611.5.1.el9_7.ppc64le.rpm
Red Hat Enterprise Linux9.7s390xkernel5.14.0-611.5.1.el9_7kernel-5.14.0-611.5.1.el9_7.s390x.rpm
Red Hat Enterprise Linux9.7x86_64kernel5.14.0-611.5.1.el9_7kernel-5.14.0-611.5.1.el9_7.x86_64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k5.14.0-611.5.1.el9_7kernel-64k-5.14.0-611.5.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-core5.14.0-611.5.1.el9_7kernel-64k-core-5.14.0-611.5.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-debug5.14.0-611.5.1.el9_7kernel-64k-debug-5.14.0-611.5.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-debug-core5.14.0-611.5.1.el9_7kernel-64k-debug-core-5.14.0-611.5.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-debug-debuginfo5.14.0-611.5.1.el9_7kernel-64k-debug-debuginfo-5.14.0-611.5.1.el9_7.aarch64.rpm
Red Hat Enterprise Linux9.7aarch64kernel-64k-debug-devel5.14.0-611.5.1.el9_7kernel-64k-debug-devel-5.14.0-611.5.1.el9_7.aarch64.rpm
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21 Jul 2026 20:57Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.5
EPSS0.00123
SSVC
2