INFSA-2025:15740: kernel security update

Information about definition

Identificator: INFSA-2025:15740

Type: security

Release date: 2025-09-19 15:44:56 UTC

Information about package

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Vulnerabilities description

  • CVE-2025-38550

    In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: аn IPv6 MLD bookkeeping bug freed pmc->idev before it was used in ip6_mc_clear_src(), causing a use-after-free in the multicast code path. A remote attacker on the same L2 segment could potentially trigger a kernel crash via crafted MLD activity, leading to DoS.

Severity level

CVE Score CVSS 2.0 Score CVSS 3.x Score CVSS 4.0
no information 7.1 no information
Critical, important, moderate, low

Updated packages

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