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Medium ALSA-2025:22388 7 CVEs

Moderate: kernel security update

Published Dec 1, 2025 · 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: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() (CVE-2025-38724)
* kernel: smb: client: fix race with concurrent opens in rename(2) (CVE-2025-39825)
* kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory (CVE-2025-39883)
* kernel: e1000e: fix heap overflow in e1000_set_eeprom (CVE-2025-39898)
* kernel: nbd: fix incomplete validation of ioctl arg (CVE-2023-53513)
* kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect() (CVE-2025-39955)

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 25

ReleasePackageFixed in
AlmaLinux · 8 bpftool 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-abi-stablelists 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-core 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-cross-headers 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-debug 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-debug-core 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-debug-devel 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-debug-modules 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-debug-modules-extra 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-devel 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-doc 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-headers 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-modules 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-modules-extra 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-tools 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-tools-libs 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-tools-libs-devel 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-zfcpdump 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-core 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-devel 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-modules 4.18.0-553.87.1.el8_10
AlmaLinux · 8 kernel-zfcpdump-modules-extra 4.18.0-553.87.1.el8_10
AlmaLinux · 8 perf 4.18.0-553.87.1.el8_10
AlmaLinux · 8 python3-perf 4.18.0-553.87.1.el8_10

Vulnerabilities 7

  • Critical 9.8
    CVE-2025-38724

    nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()

    In the Linux kernel, the following vulnerability has been resolved: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() Lei Lu recently reported that nfsd4_setclientid_confirm() did not check the return value from get_client_locked(). a SE…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.1
    CVE-2025-40186

    tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request().

    In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request(). syzbot reported the splat below in tcp_conn_request(). [0] If a listener is close()d while a TFO socket is being processed in tc…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-39825

    smb: client: fix race with concurrent opens in rename(2)

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename(2) Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2023-53513

    nbd: fix incomplete validation of ioctl arg

    In the Linux kernel, the following vulnerability has been resolved: nbd: fix incomplete validation of ioctl arg We tested and found an alarm caused by nbd_ioctl arg without verification. The UBSAN warning calltrace like below: UBSAN: Undefined behaviour in fs…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-39883

    mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory

    In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory When I did memory failure tests, below panic occurs: page dumped because: VM_BUG_ON_PAGE(PagePoisoned(page)) ker…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-39898 Rejected

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

    linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu
  • Unscored —
    CVE-2025-39955

    tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect().

    In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). syzbot reported the splat below where a socket had tcp_sk(sk)->fastopen_rsk in the TCP_ESTABLISHED state. [0] syzbot reused the server…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-53513
  • report
    https://access.redhat.com/security/cve/CVE-2025-38724
  • report
    https://access.redhat.com/security/cve/CVE-2025-39825
  • report
    https://access.redhat.com/security/cve/CVE-2025-39883
  • report
    https://access.redhat.com/security/cve/CVE-2025-39898
  • report
    https://access.redhat.com/security/cve/CVE-2025-39955
  • report
    https://bugzilla.redhat.com/2393172
  • report
    https://bugzilla.redhat.com/2395792
  • report
    https://bugzilla.redhat.com/2397553
  • report
    https://bugzilla.redhat.com/2400598
  • report
    https://bugzilla.redhat.com/2400795
  • report
    https://bugzilla.redhat.com/2402699
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-22388.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2025-40186.html