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4.7
MEDIUM CVSS 3.1
CVE-2022-49603
Linux Kernel ip READ_ONCE() Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: ip: Fix data-races around sysctl_ip_fwd_update_priority. While reading sysctl_ip_fwd_update_priority, 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 11, 2025, 10:41 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-49603 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
Update the Linux kernel to resolve data races in the IP forwarding priority sysctl.
  • Update the Linux kernel to the latest version.
  • Apply the provided patch for sysctl_ip_fwd_update_priority.
  • Recompile the kernel with the fix.
  • Reboot the system to load the updated 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-2022-49603.

URL Resource
https://git.kernel.org/stable/c/11038fa781ab916535c53351537b22d6d405667d Patch
https://git.kernel.org/stable/c/351f81f7d7185d18a9ff76f8f8c2fa8c4eea563b Patch
https://git.kernel.org/stable/c/7bf9e18d9a5e99e3c83482973557e9f047b051e7 Patch
https://git.kernel.org/stable/c/bcc03369d3277ae075ed421f0c8bf4adb5e65b74 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-2022-49603 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-2022-49603 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-2022-49603 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-2022-49603 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. 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) 4.19 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/11038fa781ab916535c53351537b22d6d405667d Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/351f81f7d7185d18a9ff76f8f8c2fa8c4eea563b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7bf9e18d9a5e99e3c83482973557e9f047b051e7 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/bcc03369d3277ae075ed421f0c8bf4adb5e65b74 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: ip: Fix data-races around sysctl_ip_fwd_update_priority. While reading sysctl_ip_fwd_update_priority, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
    Added Reference https://git.kernel.org/stable/c/11038fa781ab916535c53351537b22d6d405667d
    Added Reference https://git.kernel.org/stable/c/351f81f7d7185d18a9ff76f8f8c2fa8c4eea563b
    Added Reference https://git.kernel.org/stable/c/7bf9e18d9a5e99e3c83482973557e9f047b051e7
    Added Reference https://git.kernel.org/stable/c/bcc03369d3277ae075ed421f0c8bf4adb5e65b74
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