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kernel: Linux kernel xHCI DbC: Denial of Service via memory leak

🗓️ 07 Nov 2023 09:03:12Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Linux kernel xHCI DbC memory leak in xhci_alloc_dbc can cause DoS by local users due to resource exhaustion.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
AstraLinux		Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
BDU FSTEC		The vulnerability of the xhci_alloc_dbc() function in the drivers/usb/host/xhci-dbgcap.c file of the Linux kernel’s USB device driver allows a hacker to cause a service failure.
8 Jul 202600:00
–bdu_fstec
CNNVD		Linux kernel 安全漏洞
30 Dec 202500:00
–cnnvd
CVE		CVE-2022-50809
30 Dec 202512:08
–cve
Cvelist		CVE-2022-50809 xhci: dbc: Fix memory leak in xhci_alloc_dbc()
30 Dec 202512:08
–cvelist
Debian CVE		CVE-2022-50809
30 Dec 202512:08
–debiancve
EUVD		EUVD-2022-55889
30 Dec 202515:30
–euvd
NVD		CVE-2022-50809
30 Dec 202513:15
–nvd
OpenVAS		SUSE: Security Advisory (SUSE-SU-2026:0317-1)
2 Feb 202600:00
–openvas
OpenVAS		SUSE: Security Advisory (SUSE-SU-2026:0617-1)
26 Feb 202600:00
–openvas
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64bpftool0:7.2.0-362.8.1.el9_3bpftool-0:7.2.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebpftool0:7.2.0-362.8.1.el9_3bpftool-0:7.2.0-362.8.1.el9_3.ppc64le.rpm
Red Hat Enterprise Linux9s390xbpftool0:7.2.0-362.8.1.el9_3bpftool-0:7.2.0-362.8.1.el9_3.s390x.rpm
Red Hat Enterprise Linux9x86_64bpftool0:7.2.0-362.8.1.el9_3bpftool-0:7.2.0-362.8.1.el9_3.x86_64.rpm
Red Hat Enterprise Linux9aarch64bpftool-debuginfo0:7.2.0-362.8.1.el9_3bpftool-debuginfo-0:7.2.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebpftool-debuginfo0:7.2.0-362.8.1.el9_3bpftool-debuginfo-0:7.2.0-362.8.1.el9_3.ppc64le.rpm
Red Hat Enterprise Linux9s390xbpftool-debuginfo0:7.2.0-362.8.1.el9_3bpftool-debuginfo-0:7.2.0-362.8.1.el9_3.s390x.rpm
Red Hat Enterprise Linux9x86_64bpftool-debuginfo0:7.2.0-362.8.1.el9_3bpftool-debuginfo-0:7.2.0-362.8.1.el9_3.x86_64.rpm
Red Hat Enterprise Linux9aarch64kernel0:5.14.0-362.8.1.el9_3kernel-0:5.14.0-362.8.1.el9_3.aarch64.rpm
Red Hat Enterprise Linux9ppc64lekernel0:5.14.0-362.8.1.el9_3kernel-0:5.14.0-362.8.1.el9_3.ppc64le.rpm
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08 Jul 2026 12:22Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.00206
CWE-772
kernelxhcidebug capabilitymemory leaklocal userdenial of serviceresource exhaustion
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