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CVE-2022-50380
mm: /proc/pid/smaps_rollup: fix no vma's null-deref
Description

In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smaps_rollup: fix no vma's null-deref Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file") introduced a null-deref if there are no vma's in the task in show_smaps_rollup.

INFO

Published Date :

Sept. 18, 2025, 2:15 p.m.

Last Modified :

Oct. 10, 2025, 4:15 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-50380 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
: Total Affected Vendor : 1 | Products : 1
Solution
Apply the kernel commit to fix null-dereference in smaps_rollup.
  • Update the Linux kernel to the latest version.
  • Apply commit 258f669e7e88 to the kernel.
  • Recompile and install the kernel.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-50380.

URL Resource
https://git.kernel.org/stable/c/33fc9e26b7cb39f0d4219c875a2451802249c225
https://git.kernel.org/stable/c/6bb8769326c46db3058780c0640dcc49d8187b24
https://git.kernel.org/stable/c/97898139ca9b81ba9322a585e07490983c53b55a
https://git.kernel.org/stable/c/a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4
https://git.kernel.org/stable/c/c4c84f06285e48f80e9843d0775ad92714ffc35a
https://git.kernel.org/stable/c/dbe863bce7679c7f5ec0e993d834fe16c5e687b5
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-50380 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-2022-50380 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-2022-50380 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-50380 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.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 10, 2025

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/6bb8769326c46db3058780c0640dcc49d8187b24
    Added Reference https://git.kernel.org/stable/c/97898139ca9b81ba9322a585e07490983c53b55a
    Added Reference https://git.kernel.org/stable/c/a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4
    Added Reference https://git.kernel.org/stable/c/c4c84f06285e48f80e9843d0775ad92714ffc35a
    Added Reference https://git.kernel.org/stable/c/dbe863bce7679c7f5ec0e993d834fe16c5e687b5
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Sep. 18, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smaps_rollup: fix no vma's null-deref Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file") introduced a null-deref if there are no vma's in the task in show_smaps_rollup.
    Added Reference https://git.kernel.org/stable/c/33fc9e26b7cb39f0d4219c875a2451802249c225
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
No CVSS metrics available for this vulnerability.