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High USN-7791-2 4 CVEs

linux-realtime-6.14 vulnerabilities

Published Oct 2, 2025 · Updated Nov 3, 2026

Summary

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- Packet sockets;
- Network traffic control;
- VMware vSockets driver;
- XFRM subsystem;
(CVE-2025-38477, CVE-2025-38617, CVE-2025-38500, CVE-2025-38618)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · Pro Realtime 24.04 LTS Pro:Realtime:24.04:LTS linux-realtime-6.14 6.14.0-1013.13~24.04.1

Vulnerabilities 4

  • High 7.8

    net/sched: sch_qfq: Fix race condition on qfq_aggregate

    In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: Fix race condition on qfq_aggregate A race condition can occur when 'agg' is modified in qfq_change_agg (called during qfq_enqueue) while other threads access it concurren…

  • High 7.8

    xfrm: interface: fix use-after-free after changing collect_md xfrm interface

    In the Linux kernel, the following vulnerability has been resolved: xfrm: interface: fix use-after-free after changing collect_md xfrm interface collect_md property on xfrm interfaces can only be set on device creation, thus xfrmi_changelink() should fail whe…

  • High 7.8

    net/packet: fix a race in packet_set_ring() and packet_notifier()

    In the Linux kernel, the following vulnerability has been resolved: net/packet: fix a race in packet_set_ring() and packet_notifier() When packet_set_ring() releases po->bind_lock, another thread can run packet_notifier() and process an NETDEV_UP event. This …

  • High 7.8

    vsock: Do not allow binding to VMADDR_PORT_ANY

    In the Linux kernel, the following vulnerability has been resolved: vsock: Do not allow binding to VMADDR_PORT_ANY It is possible for a vsock to autobind to VMADDR_PORT_ANY. This can cause a use-after-free when a connection is made to the bound socket. The so…

References

  • report
    https://ubuntu.com/security/CVE-2025-38477
  • report
    https://ubuntu.com/security/CVE-2025-38500
  • report
    https://ubuntu.com/security/CVE-2025-38617
  • report
    https://ubuntu.com/security/CVE-2025-38618