0.0
NA
CVE-2025-21815
Linux Kernel Shift Out-of-Bounds Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.

INFO

Published Date :

Feb. 27, 2025, 8:16 p.m.

Last Modified :

Feb. 27, 2025, 8:16 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

Exploitability Score :

Affected Products

The following products are affected by CVE-2025-21815 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
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-2025-21815.

URL Resource
https://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88
https://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa
https://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200

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-2025-21815 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-21815 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.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 27, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.
    Added Reference https://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88
    Added Reference https://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa
    Added Reference https://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200
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-2025-21815 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-2025-21815 weaknesses.

NONE - Vulnerability Scoring System
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