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OpenAdvisories
High USN-7684-3 5 CVEs

linux-aws, linux-lts-xenial vulnerabilities

Published Jul 31, 2025 · Updated Oct 29, 2026

Summary

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- SCSI subsystem;
- TTY drivers;
- Ext4 file system;
- Bluetooth subsystem;
- USB sound devices;
(CVE-2024-49950, CVE-2024-49883, CVE-2024-53239, CVE-2024-50073,
CVE-2023-52975)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS linux-aws 4.4.0-1146.152
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS linux-lts-xenial 4.4.0-271.305~14.04.1

Vulnerabilities 5

  • High 8.8

    Bluetooth: L2CAP: Fix uaf in l2cap_connect

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix uaf in l2cap_connect [Syzbot reported] BUG: KASAN: slab-use-after-free in l2cap_connect.constprop.0+0x10d8/0x1270 net/bluetooth/l2cap_core.c:3949 Read of size 8 at addr …

  • High 7.8

    scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

    In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr…

  • High 7.8

    ext4: aovid use-after-free in ext4_ext_insert_extent()

    In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in ext4_ext_insert_extent() As Ojaswin mentioned in Link, in ext4_ext_insert_extent(), if the path is reallocated in ext4_ext_create_new_leaf(), we'll use the stale…

  • High 7.8

    tty: n_gsm: Fix use-after-free in gsm_cleanup_mux

    In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: Fix use-after-free in gsm_cleanup_mux BUG: KASAN: slab-use-after-free in gsm_cleanup_mux+0x77b/0x7b0 drivers/tty/n_gsm.c:3160 [n_gsm] Read of size 8 at addr ffff88815fe99c00 by ta…

  • High 7.8

    ALSA: 6fire: Release resources at card release

    In the Linux kernel, the following vulnerability has been resolved: ALSA: 6fire: Release resources at card release The current 6fire code tries to release the resources right after the call of usb6fire_chip_abort(). But at this moment, the card object might b…

References

  • report
    https://ubuntu.com/security/CVE-2023-52975
  • report
    https://ubuntu.com/security/CVE-2024-49883
  • report
    https://ubuntu.com/security/CVE-2024-49950
  • report
    https://ubuntu.com/security/CVE-2024-50073
  • report
    https://ubuntu.com/security/CVE-2024-53239