INFSA-2025:18318: kernel security update

Information about definition

Identificator: INFSA-2025:18318

Type: security

Release date: 2025-10-31 14:28:52 UTC

Information about package

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

Vulnerabilities description

  • CVE-2025-38351

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush.

  • CVE-2025-38614

    A local unprivileged user can trigger this issue by creating deeply nested chains of epoll file descriptors using the standard epoll_create and epoll_ctl syscalls. No special capabilities or elevated rights are required — any user with the ability to open file descriptors can exploit it. This can lead to excessive kernel stack usage and ultimately a denial of service (system crash).

  • CVE-2025-38571

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix client side handling of tls alerts.

  • CVE-2025-39817

    In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare.

  • CVE-2025-39841

    In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix buffer free/clear order in deferred receive path.

  • CVE-2025-38572

    In the Linux kernel, the following vulnerability has been resolved: ipv6: reject malicious packets in ipv6_gso_segment().

Severity level

CVE Score CVSS 2.0 Score CVSS 3.x Score CVSS 4.0
no information 7.3 no information
no information 7.5 no information
no information 7.4 no information
no information 6.2 no information
no information 7.0 no information
no information 7.0 no information
Critical, important, moderate, low

Updated packages

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Architecture: Download