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High ALSA-2025:10670 3 CVEs

Important: kernel-rt security update

Published Jul 9, 2025 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: Bluetooth: Fix use after free in hci_send_acl (CVE-2022-49111)
* kernel: Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set (CVE-2022-49136)
* kernel: udf: Fix a slab-out-of-bounds write bug in udf_find_entry() (CVE-2022-49846)

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 10

ReleasePackageFixed in
AlmaLinux · 8 kernel-rt 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-core 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-debug 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-debug-core 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-debug-devel 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-debug-modules 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-debug-modules-extra 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-devel 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-modules 4.18.0-553.60.1.rt7.401.el8_10
AlmaLinux · 8 kernel-rt-modules-extra 4.18.0-553.60.1.rt7.401.el8_10

Vulnerabilities 3

  • High 8.8
    CVE-2022-49111

    Bluetooth: Fix use after free in hci_send_acl

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix use after free in hci_send_acl This fixes the following trace caused by receiving HCI_EV_DISCONN_PHY_LINK_COMPLETE which does call hci_conn_del without first checking if conn->…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2022-49136

    Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set hci_cmd_sync_queue shall return an error if HCI_UNREGISTER flag has been set as that means hci_unregister_dev has been cal…

    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

References

  • report
    https://access.redhat.com/security/cve/CVE-2022-49111
  • report
    https://access.redhat.com/security/cve/CVE-2022-49136
  • report
    https://access.redhat.com/security/cve/CVE-2022-49846
  • report
    https://bugzilla.redhat.com/2347952
  • report
    https://bugzilla.redhat.com/2348179
  • report
    https://bugzilla.redhat.com/2363432
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-10670.html