Memory leak in Linux kernel - CVE-2022-50707
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120364
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-50707
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the virtio_crypto_alg_skcipher_close_session() function in drivers/crypto/virtio/virtio_crypto_skcipher_algs.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-50707
Install update from vendor's repository.
Linux kernel - addressed in versions 5.10.209, 5.15.148, 6.0.19, 6.1.5, 6.2
External References
- https://git.kernel.org/stable/c/0871df190fe6723464efe0f493d476411616f553
- https://git.kernel.org/stable/c/67fb59ff1384e338679c0eb7a43c83ce8868c9fa
- https://git.kernel.org/stable/c/79026a2d0a1b080257773d22a493f9bcab8c65be
- https://git.kernel.org/stable/c/b1d65f717cd6305a396a8738e022c6f7c65cfbe8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.209
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.148
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2