SB20250226221 - Memory leak in Linux kernel media rc driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226221
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) Memory leak (CVE-ID: CVE-2021-47643)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the irtoy_probe() function in drivers/media/rc/ir_toy.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/2011363c196846c083649c91ed30aeef64358d52
- https://git.kernel.org/stable/c/382e0f6958ef34eb093127b6d74c12f3b8fd0904
- https://git.kernel.org/stable/c/52cdb013036391d9d87aba5b4fc49cdfc6ea4b23
- https://git.kernel.org/stable/c/93ef3fdf3b6633c58f049e5a6be755777dde4340
- https://git.kernel.org/stable/c/99e3f83539cac6884a4df02cb204a57a184ea12b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.110