5.5
MEDIUM
CVE-2022-49716
Linux Kernel GIC-v3 Reference Count Leak Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. When kcalloc fails, it missing of_node_put() and results in refcount leak. Fix this by goto out_put_node label.

INFO

Published Date :

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

Last Modified :

March 11, 2025, 9:59 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2022-49716 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

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-2022-49716 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49716 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:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE NVD-CWE-Other
    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:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.49 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.18.6 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 from (excluding) 5.10.124 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 from (excluding) 5.4.200
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/0b325d993995a321f6ab4e6c51f0504ec092bf5b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/58e67c81e229351027d28c610638378606e33a08 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7c9dd9d23f26dabcfb14148b9acdfba540418b19 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c83c34c57798fc41faefcf078be78683db2f4beb Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ec8401a429ffee34ccf38cebf3443f8d5ae6cb0d 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: irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. When kcalloc fails, it missing of_node_put() and results in refcount leak. Fix this by goto out_put_node label.
    Added Reference https://git.kernel.org/stable/c/0b325d993995a321f6ab4e6c51f0504ec092bf5b
    Added Reference https://git.kernel.org/stable/c/58e67c81e229351027d28c610638378606e33a08
    Added Reference https://git.kernel.org/stable/c/7c9dd9d23f26dabcfb14148b9acdfba540418b19
    Added Reference https://git.kernel.org/stable/c/c83c34c57798fc41faefcf078be78683db2f4beb
    Added Reference https://git.kernel.org/stable/c/ec8401a429ffee34ccf38cebf3443f8d5ae6cb0d
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49716 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-2022-49716 weaknesses.

CVSS31 - Vulnerability Scoring System
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Latest DB Update: Apr. 23, 2025 6:55