CVE-2026-72070None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: wifi: libertas_tf: fix use-after-free in lbtf_free_adapter() lbtf_free_adapter() calls timer_delete(&priv->command_timer), which does not wait for a running command_ti…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
wifi: libertas_tf: fix use-after-free in lbtf_free_adapter()
lbtf_free_adapter() calls timer_delete(&priv->command_timer), which does not wait for a running command_timer_fn() callback. lbtf_free_adapter() runs on the teardown path right before ieee80211_free_hw() frees priv, both in lbtf_remove_card() and in the probe error path. command_timer is armed by mod_timer() in lbtf_cmd() whenever a firmware command is sent. command_timer_fn() dereferences priv. If a command times out as the device is removed, command_timer_fn() runs concurrently with teardown and dereferences priv after it has been freed.
This is the same use-after-free that commit 03cc8f90d053 ("wifi: libertas: fix use-after-free in lbs_free_adapter()") fixed in the sibling libertas driver. The libertas_tf variant has the identical pattern and was left unchanged. Use timer_delete_sync() so any in-flight callback completes before priv is freed.
Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < bd75636681588c67006279abdb9a76a708b3ce29Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < 2fba1d3b2f031a2c68e566a6d45cc5b7a8d6683dLinux >= 06b16ae5319251c26377afcb401e46056d5673f4 < 9392fd5de555272449d3d8c63410ea00f8ec853aLinux >= 06b16ae5319251c26377afcb401e46056d5673f4 < 4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcfLinux >= 06b16ae5319251c26377afcb401e46056d5673f4 < 066b59e84f90d270cc15f0370166155aca507630Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < fcff712d0e3d183843ec3916470ee6cc3455baadLinux >= 06b16ae5319251c26377afcb401e46056d5673f4 < bcf7968cb97ce4312588042cf2712f04caff6d8fLinux >= 06b16ae5319251c26377afcb401e46056d5673f4 < aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438dLinux 2.6.28Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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