CVE-2026-23281

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

CVE-2026-23281

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

UBUNTU-CVE-2026-23281

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

CVE-2026-23281

In CVE-2026-23281, the Linux kernel Libertus wifi driver (lbs_free_adapter) uses non‑synchronous timer_delete() for command_timer and tx_lockup_timer, risking use‑after‑free if a timer callback runs during free. The callbacks (lbs_cmd_timeout_handler, lbs_tx_lockup_handler) access freed fields, c...

CVE-2026-23281 wifi: libertas: fix use-after-free in lbs_free_adapter()

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

CVE-2026-23281 wifi: libertas: fix use-after-free in lbs_free_adapter()

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

CVE-2026-23281

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

CVE-2026-23281

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

Linux Distros Unpatched Vulnerability : CVE-2026-23281

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004919)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004919 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: Fix possible refcount leak in ifusbprobe usbgetdev will be called before...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001034)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001034 advisory. The lbsdebugfswrite function in drivers/net/wireless/libertas/debugfs.c in the Linux kernel through 3.12.1 allows local users to cause a denial of service OOPS by...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001808)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001808 advisory. The lbsdebugfswrite function in drivers/net/wireless/libertas/debugfs.c in the Linux kernel through 3.12.1 allows local users to cause a denial of service OOPS by...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000352)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000352 advisory. drivers/net/wireless/marvell/libertas/ifsdio.c in the Linux kernel 5.2.14 does not check the allocworkqueue return value, leading to a NULL pointer dereference...

PT-2026-27646

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s wifi subsystem, specifically within the libertas driver. The lbs free adapter function incorrectly uses timer delete instead of timer delete sync for...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993275)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993275 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix memory leak in lbsinitadapter When kfifoalloc failed in lbsinitadapter, cmd...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992907)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992907 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: Fix possible refcount leak in ifusbprobe usbgetdev will be called before...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992436)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992436 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: Fix possible refcount leak in ifusbprobe usbgetdev will be called before...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992421)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992421 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix memory leak in lbsinitadapter When kfifoalloc failed in lbsinitadapter, cmd...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992165)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992165 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix memory leak in lbsinitadapter When kfifoalloc failed in lbsinitadapter, cmd...

PT-2026-37595

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the libertas wifi component where the usb tx block function submits cardp-tx urb without verifying if previous transmissions on that URB USB Request Block have...