SB2023042435 - Information disclosure in Linux kernel bluetooth
Published: April 24, 2023
Security Bulletin ID
SB2023042435
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-28866)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows an attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in net/bluetooth/hci_sync.c in Linux kernel. An attacker with physical proximity to device can trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.