Race condition within a thread in Linux kernel - CVE-2022-49573
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104841
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49573
CWE-ID: CWE-366
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 corrupt data.
The vulnerability exists due to a data race within the tcp_schedule_loss_probe() function in net/ipv4/tcp_output.c. A local user can corrupt data.
How to mitigate CVE-2022-49573
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/11e8b013d16e5db63f8f76acceb5b86964098aaa
- https://git.kernel.org/stable/c/488d3ad98ef7cddce7054193dbae6b4349c6807d
- https://git.kernel.org/stable/c/5037ca9e4b169cc9aed0174d658c3d81fdaf8ea5
- https://git.kernel.org/stable/c/52e65865deb6a36718a463030500f16530eaab74
- https://git.kernel.org/stable/c/83767fe800a311370330d4ec83aa76093b744a80
- https://git.kernel.org/stable/c/d5975f6376ce90c2c483ae36bf88c9cface4c13b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.15