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Medium RLSA-2025:19105 5 CVEs

Moderate: kernel security update

Published Nov 6, 2025 · Updated Nov 6, 2025

Summary

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

Security Fix(es):

* kernel: vsock/virtio: Validate length in packet header before skb_put() (CVE-2025-39718)

* kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() (CVE-2025-39730)

* kernel: ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control (CVE-2025-39751)

* kernel: fs/smb: Fix inconsistent refcnt update (CVE-2025-39819)

* kernel: pstore/ram: Check start of empty przs during init (CVE-2023-53331)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 kernel 0:5.14.0-570.58.1.el9_6

Vulnerabilities 5

  • High 8.4

    vsock/virtio: Validate length in packet header before skb_put()

    In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Validate length in packet header before skb_put() When receiving a vsock packet in the guest, only the virtqueue buffer size is validated prior to virtio_vsock_skb_rx_put(). Unf…

  • High 7.8

    pstore/ram: Check start of empty przs during init

    In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Check start of empty przs during init After commit 30696378f68a ("pstore/ram: Do not treat empty buffers as valid"), initialization would assume a prz was valid after seeing that …

  • Unscored —

    NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

    In the Linux kernel, the following vulnerability has been resolved: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() The function needs to check the minimal filehandle length before it can access the embedded filehandle.

  • Unscored —
    CVE-2025-39751 Rejected

    This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

  • Unscored —

    fs/smb: Fix inconsistent refcnt update

    In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fix inconsistent refcnt update A possible inconsistent update of refcount was identified in `smb2_compound_op`. Such inconsistent update could lead to possible resource leaks. Why it …

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2393507
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2393731
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2394624
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2395806
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2395880