Memory leak in Linux kernel - CVE-2022-50838
Published: December 30, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120685
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-2022-50838
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 sk_stream_kill_queues() function in net/core/stream.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50838
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/4f1d37ff4226eb99d6b69e9f4518e279e1a851bf
- https://git.kernel.org/stable/c/6f00bd0402a1e3d2d556afba57c045bd7931e4d3
- https://git.kernel.org/stable/c/8c330c36b3970d0917f48827fa6c7a9c75aa4602
- https://git.kernel.org/stable/c/9062493811676ee0efe6c74d98f00ca38c4e17d4
- https://git.kernel.org/stable/c/9da204cd67c4fe97e8aa465d10d5c2e7076f7f42
- https://git.kernel.org/stable/c/b458d349f8753f666233828ebd30df6f100cf7d5
- https://git.kernel.org/stable/c/bab542cf56fc174c8447c00b73be99ffd66d2d39
- https://git.kernel.org/stable/c/c8c1eec578a9ae2dc8f14a1846942a0b7bf29d1d
- https://git.kernel.org/stable/c/e0c8bccd40fc1c19e1d246c39bcf79e357e1ada3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.337
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2