Out-of-bounds read in Linux kernel - CVE-2021-47535
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90275
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-47535
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the a6xx_get_gmu_registers() function in drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/d646856a600e8635ba498f20b194219b158626e8
- https://git.kernel.org/stable/c/83e54fcf0b14ca2d869dd37abe1bb6542805f538
- https://git.kernel.org/stable/c/b4d25abf9720b69a03465b09d0d62d1998ed6708
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16