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4.7
MEDIUM CVSS 3.1
CVE-2022-49593
Linux Kernel - Tcp READ_ONCE Data-Race Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_probe_interval. While reading sysctl_tcp_probe_interval, 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 10, 2025, 8:23 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-49593 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 fix a data race in the TCP module.
  • Update the Linux kernel to the latest version.
  • Ensure the patch for the TCP data-race is applied.
  • Reboot the system after updating the kernel.
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-2022-49593.

URL Resource
https://git.kernel.org/stable/c/2a85388f1d94a9f8b5a529118a2c5eaa0520d85c Patch
https://git.kernel.org/stable/c/73a11588751a2c13f25d9da8117efc9a79b1843f Patch
https://git.kernel.org/stable/c/80dabd089086e6553b7acfcff2ec223bdada87a1 Patch
https://git.kernel.org/stable/c/b14cc8afbbcbc6dce4797913c0b85266b897f541 Patch
https://git.kernel.org/stable/c/b3798d3519eda9c409bb0815b0102f27ec42468d Patch
https://git.kernel.org/stable/c/c61aede097d350d890fa1edc9521b0072e14a0b8 Patch
https://git.kernel.org/stable/c/e6b6f027e2854a51f345a5e3e808d7a88001d4f8 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-2022-49593 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-2022-49593 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-2022-49593 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-2022-49593 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) 4.1 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/2a85388f1d94a9f8b5a529118a2c5eaa0520d85c Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/73a11588751a2c13f25d9da8117efc9a79b1843f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/80dabd089086e6553b7acfcff2ec223bdada87a1 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b14cc8afbbcbc6dce4797913c0b85266b897f541 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b3798d3519eda9c409bb0815b0102f27ec42468d Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c61aede097d350d890fa1edc9521b0072e14a0b8 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e6b6f027e2854a51f345a5e3e808d7a88001d4f8 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 a data-race around sysctl_tcp_probe_interval. While reading sysctl_tcp_probe_interval, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
    Added Reference https://git.kernel.org/stable/c/2a85388f1d94a9f8b5a529118a2c5eaa0520d85c
    Added Reference https://git.kernel.org/stable/c/73a11588751a2c13f25d9da8117efc9a79b1843f
    Added Reference https://git.kernel.org/stable/c/80dabd089086e6553b7acfcff2ec223bdada87a1
    Added Reference https://git.kernel.org/stable/c/b14cc8afbbcbc6dce4797913c0b85266b897f541
    Added Reference https://git.kernel.org/stable/c/b3798d3519eda9c409bb0815b0102f27ec42468d
    Added Reference https://git.kernel.org/stable/c/c61aede097d350d890fa1edc9521b0072e14a0b8
    Added Reference https://git.kernel.org/stable/c/e6b6f027e2854a51f345a5e3e808d7a88001d4f8
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