Memory leak in Linux kernel - CVE-2022-50226
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111305
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2022-50226
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the sev_ioctl_do_platform_status(), sev_ioctl_do_pek_csr(), sev_ioctl_do_get_id2() and sev_ioctl_do_pdh_export() functions in drivers/crypto/ccp/sev-dev.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50226
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/13dc15a3f5fd7f884e4bfa8c011a0ae868df12ae
- https://git.kernel.org/stable/c/4c5300f6f5e18b11c02a92f136e69b98fddba15e
- https://git.kernel.org/stable/c/caa395aa16e7c9193fd7fa6cde462dd8229d4953
- https://git.kernel.org/stable/c/e11fb0a3a39bb42da35fa662c46ce7391f277436
- https://git.kernel.org/stable/c/f2a920daa780956b987c14b9f23de7c3c8915bf2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61