SB20240531214 - Out-of-bounds read in Linux kernel qrtr
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531214
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2021-47240)
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 qrtr_endpoint_post() function in net/qrtr/qrtr.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/f8111c0d7ed42ede41a3d0d393b104de0730a8a6
- https://git.kernel.org/stable/c/26b8d10703a9be45d6097946b2b4011f7dd2c56f
- https://git.kernel.org/stable/c/960b08dd36de1e341e3eb43d1c547513e338f4f8
- https://git.kernel.org/stable/c/19892ab9c9d838e2e5a7744d36e4bb8b7c3292fe
- https://git.kernel.org/stable/c/ad9d24c9429e2159d1e279dc3a83191ccb4daf1d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.196
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.128