SECUFOCUSNOW
Home›CVE index›CVE-2025-38550
Review reviewHigh

CVE-2025-38550

Linux Linux, linux kernel, debian linux

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.

CVSS
7.8
EPSS
0.15%
4.99% percentile
CISA KEV
Not listed
Published
2025.08.16
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.15%
Technical severityCVSS 7.8

Vulnerability overview

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.

Affected product and versions

Product
Linux Linux, linux kernel, debian linux
Affected versions
>= b564ec4491d24b40900c64ab9e29a208f17f3108 < 1b5b413094af8d88a31b5df3fd262f6baca53841, >= 63ed8de4be81b699ca727e9f8e3344bd487806d7 < 6e4eec86fe5f6b3fdbc702d1d36ac2a6e7ec0806, >= 63ed8de4be81b699ca727e9f8e3344bd487806d7 < 728db00a14cacb37f36e9382ab5fad55caf890cc, >= 63ed8de4be81b699ca727e9f8e3344bd487806d7 < dcbc346f50a009d8b7f4e330f9f2e22d6442fa26, >= 63ed8de4be81b699ca727e9f8e3344bd487806d7 < 7929d27c747eafe8fca3eecd74a334503ee4c839, >= 63ed8de4be81b699ca727e9f8e3344bd487806d7 < 5f18e0130194550dff734e155029ae734378b5ea, >= 63ed8de4be81b699ca727e9f8e3344bd487806d7 < ae3264a25a4635531264728859dbe9c659fad554, >= 5.13, >= 5.13 < 5.15.190, >= 5.16 < 6.1.147, >= 6.2 < 6.6.100, >= 6.7 < 6.12.40, >= 6.13 < 6.15.8, 6.16, 11.0
Fixed versions
5.15.190, 6.1.147, 6.6.100, 6.12.40, 6.15.8

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel, debian linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available
CVE-2025-38550 — Linux Linux, linux kernel, debian linux | SECUFOCUS NOW