SB2024050845 - Information disclosure in Linux kernel binder
Published: May 8, 2024
Security Bulletin ID
SB2024050845
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2021-46935)
CWE-ID: CWE-668 - Exposure of resource to wrong sphere
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the binder_free_buf_locked() function in drivers/android/binder_alloc.c. A local user can gain access to sensitive information on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2d2df539d05205fd83c404d5f2dff48d36f9b495
- https://git.kernel.org/stable/c/7c7064402609aeb6fb11be1b4ec10673ff17b593
- https://git.kernel.org/stable/c/103b16a8c51f96d5fe063022869ea906c256e5da
- https://git.kernel.org/stable/c/1cb8444f3114f0bb2f6e3bcadcf09aa4a28425d4
- https://git.kernel.org/stable/c/17691bada6b2f1d5f1c0f6d28cd9d0727023b0ff
- https://git.kernel.org/stable/c/cfd0d84ba28c18b531648c9d4a35ecca89ad9901