SB20240531225 - Out-of-bounds read in Linux kernel hwtracing coresight driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531225
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-2021-47346)
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 tmc_update_etf_buffer() function in drivers/hwtracing/coresight/coresight-tmc-etf.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/04bd77ef4f4d9fc6102023b85f4590fc2130aac5
- https://git.kernel.org/stable/c/ef0a06acc6b16388640ad367eedfa2a17f1945db
- https://git.kernel.org/stable/c/35c1c4bd2d59ad734129d4e232af9d1098023918
- https://git.kernel.org/stable/c/733d4d95c0101d5f277b8e4910411d016e49a9dc
- https://git.kernel.org/stable/c/0115687be7b13993066aef602253a53d55f5b11f
- https://git.kernel.org/stable/c/5fae8a946ac2df879caf3f79a193d4766d00239b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.51
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.133