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High RLSA-2026:1142 4 CVEs

Important: kernel security update

Published Feb 3, 2026 · Updated Feb 3, 2026

Summary

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

Security Fix(es):

* kernel: Bluetooth: hci_event: call disconnect callback before deleting conn (CVE-2023-53673)

* kernel: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (CVE-2025-40154)

* kernel: Linux kernel: vsock vulnerability may lead to memory corruption (CVE-2025-40248)

* kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277)

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 · 8 kernel 0:4.18.0-553.97.1.el8_10

Vulnerabilities 4

  • High 8.8

    Bluetooth: hci_event: call disconnect callback before deleting conn

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: call disconnect callback before deleting conn In hci_cs_disconnect, we do hci_conn_del even if disconnection failed. ISO, L2CAP and SCO connections refer to the hci_conn…

  • High 7.8

    vsock: Ignore signal/timeout on connect() if already established

    In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect() if already established During connect(), acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connec…

  • High 7.8

    drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing a…

  • Unscored —

    ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping

    In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping When an invalid value is passed via quirk option, currently bytcr_rt5640 driver only shows an error message but leaves as is. This m…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2402193
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2414494
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2418872
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419954