CVE-2025-38550
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-08-16

Last updated on: 2025-11-03

Assigner: kernel.org

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.
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Meta Information
Published
2025-08-16
Last Modified
2025-11-03
Generated
2026-05-07
AI Q&A
2025-08-16
EPSS Evaluated
2026-05-05
NVD
CVE-2025-38550
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel 6.1.153
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability involves the Linux kernel's IPv6 multicast code, specifically related to the timing of releasing a reference (pmc->idev) in the mld_del_delrec() function. The reference is still used in ip6_mc_clear_src(), so it should only be released after ip6_mc_clear_src() returns to avoid potential use-after-free or similar issues.


How can this vulnerability impact me? :

If exploited, this vulnerability could lead to kernel instability or crashes due to improper handling of IPv6 multicast references, potentially causing denial of service or other unexpected behavior in systems using the affected Linux kernel.


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