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CVE-2025-68283
libceph: replace BUG_ON with bounds check for map->max_osd
Description

In the Linux kernel, the following vulnerability has been resolved: libceph: replace BUG_ON with bounds check for map->max_osd OSD indexes come from untrusted network packets. Boundary checks are added to validate these against map->max_osd. [ idryomov: drop BUG_ON in ceph_get_primary_affinity(), minor cosmetic edits ]

INFO

Published Date :

Dec. 16, 2025, 4:16 p.m.

Last Modified :

Dec. 16, 2025, 4:16 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-68283 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
Add boundary checks for OSD indexes from network packets to prevent potential memory corruption.
  • Validate OSD indexes against map->max_osd.
  • Replace BUG_ON with bounds checks.
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-2025-68283.

URL Resource
https://git.kernel.org/stable/c/57f5fbae9f1024aba17ff75e00433324115c548a
https://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424
https://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604
https://git.kernel.org/stable/c/e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d
https://git.kernel.org/stable/c/ec3797f043756a94ea2d0f106022e14ac4946c02
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-68283 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-2025-68283 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-2025-68283 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-2025-68283 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

    Dec. 16, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: libceph: replace BUG_ON with bounds check for map->max_osd OSD indexes come from untrusted network packets. Boundary checks are added to validate these against map->max_osd. [ idryomov: drop BUG_ON in ceph_get_primary_affinity(), minor cosmetic edits ]
    Added Reference https://git.kernel.org/stable/c/57f5fbae9f1024aba17ff75e00433324115c548a
    Added Reference https://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424
    Added Reference https://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604
    Added Reference https://git.kernel.org/stable/c/e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d
    Added Reference https://git.kernel.org/stable/c/ec3797f043756a94ea2d0f106022e14ac4946c02
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.