SB2024061377 - NULL pointer dereference in Linux kernel usb host driver
Published: June 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061377
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2021-47206)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ohci_hcd_tmio_drv_probe() function in drivers/usb/host/ohci-tmio.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/28e016e02118917e50a667bc72fb80098cf2b460
- https://git.kernel.org/stable/c/2f18f97a1a787154a372c0738f1576f14b693d91
- https://git.kernel.org/stable/c/bb6ed2e05eb6e8619b30fa854f9becd50c11723f
- https://git.kernel.org/stable/c/951b8239fd24678b56c995c5c0456ab12e059d19
- https://git.kernel.org/stable/c/f98986b7acb4219f95789095eced93ed69d81d35
- https://git.kernel.org/stable/c/2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100
- https://git.kernel.org/stable/c/065334f6640d074a1caec2f8b0091467a22f9483
- https://git.kernel.org/stable/c/9eff2b2e59fda25051ab36cd1cb5014661df657b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.256
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.218
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.293
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.162