SB2025102367 - Buffer overflow in Linux kernel platform chrome driver
Published: October 23, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025102367
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-50570)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the cros_ec_chardev_ioctl_readmem() function in drivers/platform/chrome/cros_ec_chardev.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0c2e18924504208644d18415667895a4ac54cf2a
- https://git.kernel.org/stable/c/868fc93b615b9f6c2b0b1894536618fa6cd66acc
- https://git.kernel.org/stable/c/8a07b45fd3c2dda24fad43639be5335a4595196a
- https://git.kernel.org/stable/c/e548f9503c4b3292a60a63fe77dccea62999a35a
- https://git.kernel.org/stable/c/f143f1d9a8e5c6c9db3de81ca270191226fcce36
- https://git.kernel.org/stable/c/fd1d3b265784a2243fcaef06aebfb2f8ee733cec
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75