5.5
MEDIUM CVSS 3.1
CVE-2022-49358
Linux Netfilter nf_tables Memory Leak Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: memleak flow rule from commit path Abort path release flow rule object, however, commit path does not. Update code to destroy these objects before releasing the transaction.

INFO

Published Date :

Feb. 26, 2025, 7:01 a.m.

Last Modified :

April 14, 2025, 7:44 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-49358 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 memory leaks in netfilter by properly destroying flow rule objects before transaction release.
  • Apply kernel patches for netfilter nf_tables.
  • Ensure flow rule objects are destroyed.
  • Release transaction after object destruction.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49358 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-2022-49358 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-2022-49358 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49358 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]

    Apr. 14, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.18 up to (excluding) 5.18.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.17.15 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.47 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.122 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.4.198
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/330c0c6cd2150a2d7f47af16aa590078b0d2f736 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/5b8d63489c3b701eb2a76f848ec94d8cbc9373b9 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/80de9ea1f5b808a6601e91111fae601df2b26369 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ab9f34a30c23f656e76f4c5b83125a4e7b53c86e Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e33d9bd563e71f6c6528b96008d65524a459c4dc 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: netfilter: nf_tables: memleak flow rule from commit path Abort path release flow rule object, however, commit path does not. Update code to destroy these objects before releasing the transaction.
    Added Reference https://git.kernel.org/stable/c/330c0c6cd2150a2d7f47af16aa590078b0d2f736
    Added Reference https://git.kernel.org/stable/c/5b8d63489c3b701eb2a76f848ec94d8cbc9373b9
    Added Reference https://git.kernel.org/stable/c/80de9ea1f5b808a6601e91111fae601df2b26369
    Added Reference https://git.kernel.org/stable/c/9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3
    Added Reference https://git.kernel.org/stable/c/ab9f34a30c23f656e76f4c5b83125a4e7b53c86e
    Added Reference https://git.kernel.org/stable/c/e33d9bd563e71f6c6528b96008d65524a459c4dc
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: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact