CVE-2025-38550
ipv6: mcast: Delay put pmc->idev in mld_del_delrec()
Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc->idev in mld_del_delrec() pmc->idev is still used in ip6_mc_clear_src(), so as mld_clear_delrec() does, the reference should be put after ip6_mc_clear_src() return.
INFO
Published Date :
Aug. 16, 2025, 12:15 p.m.
Last Modified :
Jan. 7, 2026, 6:32 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Apply the kernel patch for mld_del_delrec.
- Recompile the kernel with the fix.
- Deploy the updated 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-2025-38550.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-38550 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-2025-38550
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-2025-38550 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-38550 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.
-
Initial Analysis by [email protected]
Jan. 07, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.16:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.15.8 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.40 *cpe:2.3:o:linux:linux_kernel:6.16:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 5.15.190 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.147 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.100 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Added Reference Type kernel.org: https://git.kernel.org/stable/c/5f18e0130194550dff734e155029ae734378b5ea Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6e4eec86fe5f6b3fdbc702d1d36ac2a6e7ec0806 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/728db00a14cacb37f36e9382ab5fad55caf890cc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7929d27c747eafe8fca3eecd74a334503ee4c839 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ae3264a25a4635531264728859dbe9c659fad554 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/dcbc346f50a009d8b7f4e330f9f2e22d6442fa26 Types: Patch Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Types: Mailing List, Third Party Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 03, 2025
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 28, 2025
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/6e4eec86fe5f6b3fdbc702d1d36ac2a6e7ec0806 -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 16, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc->idev in mld_del_delrec() pmc->idev is still used in ip6_mc_clear_src(), so as mld_clear_delrec() does, the reference should be put after ip6_mc_clear_src() return. Added Reference https://git.kernel.org/stable/c/5f18e0130194550dff734e155029ae734378b5ea Added Reference https://git.kernel.org/stable/c/728db00a14cacb37f36e9382ab5fad55caf890cc Added Reference https://git.kernel.org/stable/c/7929d27c747eafe8fca3eecd74a334503ee4c839 Added Reference https://git.kernel.org/stable/c/ae3264a25a4635531264728859dbe9c659fad554 Added Reference https://git.kernel.org/stable/c/dcbc346f50a009d8b7f4e330f9f2e22d6442fa26