CVEvulnerability
CVE-2022-49586
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-02-26
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-362
Description
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix data-races around sysctl_tcp_fastopen.
While reading sysctl_tcp_fastopen, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Affected configurations
• linux linux kernel (>= 3.6 < 4.19.254)
• linux linux kernel (>= 4.20 < 5.4.208)
• linux linux kernel (>= 5.5 < 5.10.134)
• linux linux kernel (>= 5.11 < 5.15.58)
• linux linux kernel (>= 5.16 < 5.18.15)
• linux linux kernel 5.19
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08 Patch
- https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49 Patch
- https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc Patch
- https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670 Patch
- https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12 Patch
- https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55a Patch