0.0
NA
CVE-2026-43419
ceph: fix memory leaks in ceph_mdsc_build_path()
Description

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leaks in ceph_mdsc_build_path() Add __putname() calls to error code paths that did not free the "path" pointer obtained by __getname(). If ownership of this pointer is not passed to the caller via path_info.path, the function must free it before returning.

INFO

Published Date :

May 8, 2026, 3:16 p.m.

Last Modified :

May 8, 2026, 3:16 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2026-43419 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.

No affected product recoded yet

Solution
The Linux kernel has fixed memory leaks in ceph_mdsc_build_path. Ensure the system is updated.
  • Update the Linux kernel to the latest version.
  • Apply the provided patch for the ceph module.
  • Ensure all __putname() calls correctly free memory.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-43419 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-2026-43419 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-2026-43419 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-43419 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

    May. 08, 2026

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leaks in ceph_mdsc_build_path() Add __putname() calls to error code paths that did not free the "path" pointer obtained by __getname(). If ownership of this pointer is not passed to the caller via path_info.path, the function must free it before returning.
    Added Reference https://git.kernel.org/stable/c/040d159a45ded7f33201421a81df0aa2a86e5a0b
    Added Reference https://git.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2
    Added Reference https://git.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950cc
    Added Reference https://git.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899
    Added Reference https://git.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4
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.