4.7
MEDIUM CVSS 3.1
CVE-2022-49602
Linux Kernel ip READ_ONCE() Data-Race Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: ip: Fix a data-race around sysctl_fwmark_reflect. While reading sysctl_fwmark_reflect, 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
Affected Products

The following products are affected by CVE-2022-49602 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
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
Address the data race by using READ_ONCE for sysctl_fwmark_reflect.
  • Update the Linux kernel.
  • Apply the provided patch for sysctl_fwmark_reflect.
  • Ensure all reads use READ_ONCE for protection.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49602 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-2022-49602 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-2022-49602 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49602 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) 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/0ee76fe01ff3c0b4efaa500aecc90d7c8d3a8860 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/25a635a67c830766110410fea88ec4e6ee29684b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/5e7a1be3e68deef250ad43cc91f7bb8d7d758b48 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/85d0b4dbd74b95cc492b1f4e34497d3f894f5d9a Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/9096edcf4854289f92252e086cf6e498c7f8c21d Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a475ecc9ad919aa3ebdd4e4a6ee612b793bf74b3 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/dccf8a67f30e18980d13f07006e5a536bbd1e136 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/fc92e3b4bebfdd986ef1d2c5019f236837b0b982 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 a data-race around sysctl_fwmark_reflect. While reading sysctl_fwmark_reflect, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
    Added Reference https://git.kernel.org/stable/c/0ee76fe01ff3c0b4efaa500aecc90d7c8d3a8860
    Added Reference https://git.kernel.org/stable/c/25a635a67c830766110410fea88ec4e6ee29684b
    Added Reference https://git.kernel.org/stable/c/5e7a1be3e68deef250ad43cc91f7bb8d7d758b48
    Added Reference https://git.kernel.org/stable/c/85d0b4dbd74b95cc492b1f4e34497d3f894f5d9a
    Added Reference https://git.kernel.org/stable/c/9096edcf4854289f92252e086cf6e498c7f8c21d
    Added Reference https://git.kernel.org/stable/c/a475ecc9ad919aa3ebdd4e4a6ee612b793bf74b3
    Added Reference https://git.kernel.org/stable/c/dccf8a67f30e18980d13f07006e5a536bbd1e136
    Added Reference https://git.kernel.org/stable/c/fc92e3b4bebfdd986ef1d2c5019f236837b0b982
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