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4.7
MEDIUM CVSS 3.1
CVE-2022-49597
Linux Kernel Tcp Read Once Race Condition
Description

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_base_mss. While reading sysctl_tcp_base_mss, 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 :

March 10, 2025, 8:23 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2022-49597 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Apply kernel updates to protect against data races in TCP MSS handling.
  • Update the Linux kernel to the latest version.
  • Ensure all system components are updated.
  • Review kernel configuration for security settings.
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-2022-49597.

URL Resource
https://git.kernel.org/stable/c/30b73edc1d2459ba2c71cb58fbf84a1a6e640fbf Patch
https://git.kernel.org/stable/c/4d7dea651b7fe0322be95054f64e3711afccc543 Patch
https://git.kernel.org/stable/c/514d2254c7b8aa2d257f5ffc79f0d96be2d6bfda Patch
https://git.kernel.org/stable/c/88d78bc097cd8ebc6541e93316c9d9bf651b13e8 Patch
https://git.kernel.org/stable/c/9ca18116bc16ec31b9a3ce28ea1350badfa36128 Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49597 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-2022-49597 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-2022-49597 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-49597 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.

  • 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) 2.6.17 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/30b73edc1d2459ba2c71cb58fbf84a1a6e640fbf Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/4d7dea651b7fe0322be95054f64e3711afccc543 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/514d2254c7b8aa2d257f5ffc79f0d96be2d6bfda Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/88d78bc097cd8ebc6541e93316c9d9bf651b13e8 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/9ca18116bc16ec31b9a3ce28ea1350badfa36128 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_base_mss. While reading sysctl_tcp_base_mss, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
    Added Reference https://git.kernel.org/stable/c/30b73edc1d2459ba2c71cb58fbf84a1a6e640fbf
    Added Reference https://git.kernel.org/stable/c/4d7dea651b7fe0322be95054f64e3711afccc543
    Added Reference https://git.kernel.org/stable/c/514d2254c7b8aa2d257f5ffc79f0d96be2d6bfda
    Added Reference https://git.kernel.org/stable/c/88d78bc097cd8ebc6541e93316c9d9bf651b13e8
    Added Reference https://git.kernel.org/stable/c/9ca18116bc16ec31b9a3ce28ea1350badfa36128
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 4.7
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact