PT-2021-8144 · Linux+6 · Linux Kernel+6
Andrea Righi
·
Published
2021-11-29
·
Updated
2024-10-11
·
CVE-2021-47097
CVSS v3.1
7.1
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 5.13.0-22-generic #22+arighi20211110
Description
The vulnerability is related to a stack out-of-bounds access in the
elantech change report id() function. The param[] array in elantech change report id() must be at least 3 bytes, but it is defined as an array of 2 bytes, leading to a potential stack out-of-bounds access. This issue is confirmed by KASAN. The vulnerability can be exploited to cause a denial of service.Recommendations
To resolve this issue, update the Linux kernel to a version that includes the fix for the stack out-of-bounds access in
elantech change report id(). Specifically, update to a version later than 5.13.0-22-generic #22+arighi20211110.Note: The provided input descriptions do not include information about the estimated number of potentially affected devices or real-world incidents where this issue was exploited. Therefore, this information is not included in the description.
Fix
DoS
Out of bounds Read
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Almalinux
Centos
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse