Out-of-bounds write in Linux kernel - CVE-2021-42327
Published: June 20, 2024 / Updated: July 5, 2024
Vulnerability identifier: #VU92411
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2021-42327
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local privileged user to execute arbitrary code.
The vulnerability exists due to out-of-bounds write error. A local privileged user can execute arbitrary code.
How to mitigate CVE-2021-42327
Install update from vendor's repository.
Sources
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
- https://security.netapp.com/advisory/ntap-20211118-0005/
- https://www.mail-archive.com/amd-gfx%40lists.freedesktop.org/msg69080.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f23750b5b3d98653b31d4469592935ef6364ad67