CVE-2022-49601
Linux Kernel TCP DCCP Data-Race Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept. While reading sysctl_tcp_fwmark_accept, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
INFO
Published Date :
Feb. 26, 2025, 7:01 a.m.
Last Modified :
March 11, 2025, 10:40 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest version.
- Apply the specific patch for sysctl_tcp_fwmark_accept.
- Ensure READ_ONCE() is used in data access.
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-2022-49601.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49601 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-2022-49601
weaknesses.
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-2022-49601 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49601 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. 11, 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) 3.16 from (excluding) 4.9.325 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 from (excluding) 4.14.290 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 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/13207f9485b5de68decf296ceb0046f5eabb2485 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1a0008f9df59451d0a17806c1ee1a19857032fa8 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/45fc82706a97242539d6b841ddd7a077ec20757b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/526d8cf8824f613c72dba2155542295e70135f62 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a7386602a2fe2f6192477e8ede291a815da09d81 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/abf70de2ec026ae8d7da4e79bec61888a880e00b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/bf3134feffe61b7a0e21f60a04743f8da0958b53 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d4f65615db7fca3df9f7e79eadf937e6ddb03c54 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/dccp: Fix a data-race around sysctl_tcp_fwmark_accept. While reading sysctl_tcp_fwmark_accept, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader. Added Reference https://git.kernel.org/stable/c/13207f9485b5de68decf296ceb0046f5eabb2485 Added Reference https://git.kernel.org/stable/c/1a0008f9df59451d0a17806c1ee1a19857032fa8 Added Reference https://git.kernel.org/stable/c/45fc82706a97242539d6b841ddd7a077ec20757b Added Reference https://git.kernel.org/stable/c/526d8cf8824f613c72dba2155542295e70135f62 Added Reference https://git.kernel.org/stable/c/a7386602a2fe2f6192477e8ede291a815da09d81 Added Reference https://git.kernel.org/stable/c/abf70de2ec026ae8d7da4e79bec61888a880e00b Added Reference https://git.kernel.org/stable/c/bf3134feffe61b7a0e21f60a04743f8da0958b53 Added Reference https://git.kernel.org/stable/c/d4f65615db7fca3df9f7e79eadf937e6ddb03c54