CVE-2025-37823
Linux Kernel Net-Sched HFSC Use-After-Free Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.
INFO
Published Date :
May 8, 2025, 7:15 a.m.
Last Modified :
May 8, 2025, 2:39 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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information, practical solutions, and valuable tools related to
CVE-2025-37823.
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).
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The following list is the news that have been mention
CVE-2025-37823 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-37823 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.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 08, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer. Added Reference https://git.kernel.org/stable/c/11bccb054c1462fb069219f8e98e97a5a730758e Added Reference https://git.kernel.org/stable/c/2f46d14919c39528c6e540ebc43f90055993eedc Added Reference https://git.kernel.org/stable/c/68f256305ceb426d545a0dc31f83c2ab1d211a1e Added Reference https://git.kernel.org/stable/c/6ccbda44e2cc3d26fd22af54c650d6d5d801addf Added Reference https://git.kernel.org/stable/c/76c4c22c2437d3d3880efc0f62eca06ef078d290 Added Reference https://git.kernel.org/stable/c/c6936266f8bf98a53f28ef9a820e6a501e946d09 Added Reference https://git.kernel.org/stable/c/c6f035044104c6ff656f4565cd22938dc892528c Added Reference https://git.kernel.org/stable/c/da7936518996d290e2fcfcaf6cd7e15bfd87804a
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-37823 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-2025-37823
weaknesses.