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High ALSA-2025:10379 5 CVEs

Important: kernel security update

Published Jul 7, 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: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)
* kernel: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up (CVE-2025-21887)
* kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004)
* kernel: udf: Fix a slab-out-of-bounds write bug in udf_find_entry() (CVE-2022-49846)
* kernel: vmxnet3: Fix malformed packet sizing in vmxnet3_process_xdp (CVE-2025-37799)

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 76

ReleasePackageFixed in
AlmaLinux · 9 kernel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-debug 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-debug-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-debug-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-debug-devel-matched 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-debug-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-debug-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-debug-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-devel-matched 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-64k-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-abi-stablelists 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-cross-headers 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-debug 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-debug-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-debug-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-debug-devel-matched 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-debug-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-debug-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-debug-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-debug-uki-virt 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-devel-matched 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-doc 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-headers 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-debug-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-64k-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-debug 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-debug-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-debug-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-debug-kvm 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-debug-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-debug-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-debug-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-kvm 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-rt-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-tools 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-tools-libs 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-tools-libs-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-uki-virt 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-uki-virt-addons 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-zfcpdump 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-devel 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-devel-matched 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-modules 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-modules-core 5.14.0-570.25.1.el9_6
AlmaLinux · 9 kernel-zfcpdump-modules-extra 5.14.0-570.25.1.el9_6
AlmaLinux · 9 libperf 5.14.0-570.25.1.el9_6
AlmaLinux · 9 perf 5.14.0-570.25.1.el9_6
AlmaLinux · 9 python3-perf 5.14.0-570.25.1.el9_6
AlmaLinux · 9 rtla 5.14.0-570.25.1.el9_6
AlmaLinux · 9 rv 5.14.0-570.25.1.el9_6

Vulnerabilities 5

  • High 8.6
    CVE-2025-22004

    net: atm: fix use after free in lec_send()

    In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lec_send() The ->send() operation frees skb so save the length before calling ->send() to avoid a use after free.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.6
    CVE-2025-37799

    vmxnet3: Fix malformed packet sizing in vmxnet3_process_xdp

    In the Linux kernel, the following vulnerability has been resolved: vmxnet3: Fix malformed packet sizing in vmxnet3_process_xdp vmxnet3 driver's XDP handling is buggy for packet sizes using ring0 (that is, packet sizes between 128 - 3k bytes). We noticed MTU-…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2022-49846

    udf: Fix a slab-out-of-bounds write bug in udf_find_entry()

    In the Linux kernel, the following vulnerability has been resolved: udf: Fix a slab-out-of-bounds write bug in udf_find_entry() Syzbot reported a slab-out-of-bounds Write bug: loop0: detected capacity change from 0 to 2048 ====================================…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-21759

    ipv6: mcast: extend RCU protection in igmp6_send()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6_send() igmp6_send() can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a pot…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-21887

    ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up

    In the Linux kernel, the following vulnerability has been resolved: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up The issue was caused by dput(upper) being called before ovl_dentry_update_reval(), while upper->d_flags was still acces…

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

References

  • report
    https://access.redhat.com/security/cve/CVE-2022-49846
  • report
    https://access.redhat.com/security/cve/CVE-2025-21759
  • report
    https://access.redhat.com/security/cve/CVE-2025-21887
  • report
    https://access.redhat.com/security/cve/CVE-2025-22004
  • report
    https://access.redhat.com/security/cve/CVE-2025-37799
  • report
    https://bugzilla.redhat.com/2348596
  • report
    https://bugzilla.redhat.com/2355405
  • report
    https://bugzilla.redhat.com/2357142
  • report
    https://bugzilla.redhat.com/2363432
  • report
    https://bugzilla.redhat.com/2363876
  • advisory
    https://errata.almalinux.org/9/ALSA-2025-10379.html