SB20250502266 - Buffer overflow in Linux kernel cpu sgx
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502266
CSH 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 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-49785)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the sgx_validate_offset_length() function in arch/x86/kernel/cpu/sgx/ioctl.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/3b1c10fb754b0b67165e3f055a4208e5ba26dc89
- https://git.kernel.org/stable/c/5277e3d633a5d4157987f4aff068caa55e36db19
- https://git.kernel.org/stable/c/f0861f49bd946ff94fce4f82509c45e167f63690
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.81
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1