5.5
MEDIUM
CVE-2022-49680
"Samsung Exynos Linux Kernel Reference Count Leak"
Description

In the Linux kernel, the following vulnerability has been resolved: ARM: exynos: Fix refcount leak in exynos_map_pmu of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. of_node_put() checks null pointer.

INFO

Published Date :

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

Last Modified :

March 11, 2025, 10:16 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-2022-49680 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-2022-49680 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49680 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:5.19:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 from (excluding) 5.4.202 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 from (excluding) 5.10.127 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.51 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.17 from (excluding) 4.9.321 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 from (excluding) 4.14.286 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 from (excluding) 4.19.250 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.18.8
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/545ae5cbae839ce39bfe09828e413f1c916082de Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/68f28d52e6cbab8dcfa249cac4356d1d0573e868 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7571bcecf01b69f0d3ec60ca41ce5d4c75411a4a Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c4c79525042a4a7df96b73477feaf232fe44ae81 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d23f76018e17618559da9eea179d137362023f95 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/f9b77a52937582a5b99a5a07e4ef1e2f48f87347 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/fc354856e9fad9cd36e2ad28f9da70716025055a 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: ARM: exynos: Fix refcount leak in exynos_map_pmu of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. of_node_put() checks null pointer.
    Added Reference https://git.kernel.org/stable/c/31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04
    Added Reference https://git.kernel.org/stable/c/545ae5cbae839ce39bfe09828e413f1c916082de
    Added Reference https://git.kernel.org/stable/c/68f28d52e6cbab8dcfa249cac4356d1d0573e868
    Added Reference https://git.kernel.org/stable/c/7571bcecf01b69f0d3ec60ca41ce5d4c75411a4a
    Added Reference https://git.kernel.org/stable/c/c4c79525042a4a7df96b73477feaf232fe44ae81
    Added Reference https://git.kernel.org/stable/c/d23f76018e17618559da9eea179d137362023f95
    Added Reference https://git.kernel.org/stable/c/f9b77a52937582a5b99a5a07e4ef1e2f48f87347
    Added Reference https://git.kernel.org/stable/c/fc354856e9fad9cd36e2ad28f9da70716025055a
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-2022-49680 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-2022-49680 weaknesses.

CVSS31 - Vulnerability Scoring System
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Latest DB Update: Apr. 23, 2025 11:54