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Medium ALSA-2026:2721 7 CVEs

Moderate: kernel security update

Published Feb 16, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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

Security Fix(es):

* kernel: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans (CVE-2023-53034)
* kernel: Linux kernel erofs: Use-After-Free due to device type mismatch (CVE-2025-38172)
* kernel: smc: Fix use-after-free in __pnet_find_base_ndev() (CVE-2025-40064)
* kernel: Bluetooth: ISO: Fix possible UAF on iso_conn_free (CVE-2025-40141)
* kernel: Linux kernel ALSA USB audio driver: Buffer overflow leading to information disclosure and denial of service (CVE-2025-40269)
* kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid (CVE-2025-68349)
* kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec (CVE-2026-22998)

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 2

ReleasePackageFixed in
AlmaLinux · 10 kernel-abi-stablelists 6.12.0-124.38.1.el10_1
AlmaLinux · 10 kernel-doc 6.12.0-124.38.1.el10_1

Vulnerabilities 7

  • High 8.0
    CVE-2025-40141

    Bluetooth: ISO: Fix possible UAF on iso_conn_free

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix possible UAF on iso_conn_free This attempt to fix similar issue to sco_conn_free where if the conn->sk is not set to NULL may lead to UAF on iso_conn_free.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-38172

    erofs: avoid using multiple devices with different type

    In the Linux kernel, the following vulnerability has been resolved: erofs: avoid using multiple devices with different type For multiple devices, both primary and extra devices should be the same type. `erofs_init_device` has already guaranteed that if the pr…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-40064

    smc: Fix use-after-free in __pnet_find_base_ndev().

    In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in __pnet_find_base_ndev(). syzbot reported use-after-free of net_device in __pnet_find_base_ndev(), which was called during connect(). [0] smc_pnet_find_ism_resource(…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-40269

    ALSA: usb-audio: Fix potential overflow of PCM transfer buffer

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential overflow of PCM transfer buffer The PCM stream data in USB-audio driver is transferred over USB URB packet buffers, and each packet size is determined dynamical…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.5
    CVE-2025-68349

    NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

    In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid Fixes a crash when layout is null during this call stack: write_inode -> nfs4_write_inode -> pnfs_layoutcommit_inode…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.5
    CVE-2026-22998

    nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec

    In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec Commit efa56305908b ("nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length") added ttag bounds checking…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.1
    CVE-2023-53034

    ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans

    In the Linux kernel, the following vulnerability has been resolved: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and size. This would make xlate_pos negative. [ 23…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-53034
  • report
    https://access.redhat.com/security/cve/CVE-2025-38172
  • report
    https://access.redhat.com/security/cve/CVE-2025-40064
  • report
    https://access.redhat.com/security/cve/CVE-2025-40141
  • report
    https://access.redhat.com/security/cve/CVE-2025-40269
  • report
    https://access.redhat.com/security/cve/CVE-2025-68349
  • report
    https://access.redhat.com/security/cve/CVE-2026-22998
  • report
    https://bugzilla.redhat.com/2360239
  • report
    https://bugzilla.redhat.com/2376072
  • report
    https://bugzilla.redhat.com/2406747
  • report
    https://bugzilla.redhat.com/2414522
  • report
    https://bugzilla.redhat.com/2419919
  • report
    https://bugzilla.redhat.com/2424880
  • report
    https://bugzilla.redhat.com/2432671
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-2721.html