CVE-2022-49586
Linux Kernel Tcp Fastopen Data-Race Vulnerability
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.
INFO
Published Date :
Feb. 26, 2025, 7:01 a.m.
Last Modified :
Feb. 26, 2025, 7:01 a.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-49586.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-49586 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49586 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Mar. 10, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-362 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.6 from (excluding) 4.19.254 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 from (excluding) 5.4.208 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 from (excluding) 5.10.134 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.58 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.18.15 Added Reference Type kernel.org: https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55a Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 26, 2025
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08 Added Reference https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49 Added Reference https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc Added Reference https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670 Added Reference https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12 Added Reference https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55a
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49586 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-49586
weaknesses.