4.7
MEDIUM CVSS 3.1
CVE-2022-49598
"Linux Kernel tcp READ_ONCE() Vulnerability"
Description

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_mtu_probing. While reading sysctl_tcp_mtu_probing, 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-2022-49598 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
Update the Linux kernel to resolve data races in the TCP MTU probing sysctl.
  • Apply kernel updates to fix TCP sysctl data races.
  • Ensure the kernel uses READ_ONCE() for sysctl readers.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49598 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-2022-49598 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-2022-49598 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49598 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) 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/77a04845f0d28a3561494a5f3121488470a968a4 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7e8fc428a7f680f1c4994a40e52d7f95a9a93038 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/aabe9438fdfe004e021d5a206227ec105dbe2416 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b0920ca09d9ce19980c8391b9002455baa9c1417 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/f47d00e077e7d61baf69e46dde3210c886360207 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/f966773e13cdd3f12baa90071b7b660f6c633ccb 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_mtu_probing. While reading sysctl_tcp_mtu_probing, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
    Added Reference https://git.kernel.org/stable/c/77a04845f0d28a3561494a5f3121488470a968a4
    Added Reference https://git.kernel.org/stable/c/7e8fc428a7f680f1c4994a40e52d7f95a9a93038
    Added Reference https://git.kernel.org/stable/c/aabe9438fdfe004e021d5a206227ec105dbe2416
    Added Reference https://git.kernel.org/stable/c/b0920ca09d9ce19980c8391b9002455baa9c1417
    Added Reference https://git.kernel.org/stable/c/f47d00e077e7d61baf69e46dde3210c886360207
    Added Reference https://git.kernel.org/stable/c/f966773e13cdd3f12baa90071b7b660f6c633ccb
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