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Medium RLSA-2025:19106 6 CVEs

Moderate: kernel security update

Published Nov 2, 2025 · Updated Nov 2, 2025

Ecosystem: Rocky Linux

Summary

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

Security Fix(es):

* kernel: NFS: Fix a race when updating an existing write (CVE-2025-39697)

* 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: mm: swap: fix potential buffer overflow in setup_clusters() (CVE-2025-39727)

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

* kernel: wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result() (CVE-2025-39849)

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 · 10 kernel 0:6.12.0-55.41.1.el10_0

Vulnerabilities 6

  • High 8.8
    CVE-2025-39849

    wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result()

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result() If the ssid->datalen is more than IEEE80211_MAX_SSID_LEN (32) it would lead to memory corruption so add some bounds checkin…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.4
    CVE-2025-39718

    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…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-39697

    NFS: Fix a race when updating an existing write

    In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a race when updating an existing write After nfs_lock_and_join_requests() tests for whether the request is still attached to the mapping, nothing prevents a call to nfs_inode_remove_…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-39727

    mm: swap: fix potential buffer overflow in setup_clusters()

    In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix potential buffer overflow in setup_clusters() In setup_swap_map(), we only ensure badpages are in range (0, last_page]. As maxpages might be < last_page, setup_clusters() will e…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-39730

    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.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-39751 Rejected

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

    linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2393481
  • 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=2393733
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2394624
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2396928