CVE-2026-98194wifi: libertas_tf: fix UAF in lbtf_free_adapter()
Updated under an hour ago ()
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In the Linux kernel, the following vulnerability has been resolved: wifi: libertas_tf: fix UAF in lbtf_free_adapter() lbtf_free_adapter() calls lbtf_free_cmd_buffer() to free the command buffers before calling timer_delete_sync() to wait for the command timer callback. If the timer callback (command_timer_fn) is already running when lbtf_free_cmd_buffer() frees the command array, the callback dereferences priv->cur_cmd->cmdbuf which points to freed memory. Swap the order so that timer_delete_sync() runs first, ensuring any in-flight callback has completed before the command buffers are freed.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 06b16ae5319251c26377afcb401e46056d5673f4 builds before 3fb3663260ec396f86b733aab9f81fac6669d2fa; from 06b16ae5319251c26377afcb401e46056d5673f4 before f6c3fa0d17ca0c9e6033bb45f52e33b27a9a40e6; from 06b16ae5319251c26377afcb401e46056d5673f4 before b4745d6063758c681d33affca9733bbd356b6ea1; from 06b16ae5319251c26377afcb401e46056d5673f4 before 41b1a4d545ec348b7d5324b6d4f4c6a3e0326d46; 06b16ae5319251c26377afcb401e46056d5673f4 builds before 2b99bfc5a127ce8cd6a887d82815fc2e712f365b; from 06b16ae5319251c26377afcb401e46056d5673f4 before e82536aad653e27c8ca7a8e0f6f816bc3f853ec3; 06b16ae5319251c26377afcb401e46056d5673f4 builds before 04c837d413dc11a91e0275b08b9e35a6c111175e; from 06b16ae5319251c26377afcb401e46056d5673f4 before bbb9a0ab96d44a64529aafc7a16de460a1712f6a | CNA record |
References
- https://git.kernel.org/stable/c/3fb3663260ec396f86b733aab9f81fac6669d2fa
- https://git.kernel.org/stable/c/f6c3fa0d17ca0c9e6033bb45f52e33b27a9a40e6
- https://git.kernel.org/stable/c/b4745d6063758c681d33affca9733bbd356b6ea1
- https://git.kernel.org/stable/c/41b1a4d545ec348b7d5324b6d4f4c6a3e0326d46
- https://git.kernel.org/stable/c/2b99bfc5a127ce8cd6a887d82815fc2e712f365b
- https://git.kernel.org/stable/c/e82536aad653e27c8ca7a8e0f6f816bc3f853ec3
- https://git.kernel.org/stable/c/04c837d413dc11a91e0275b08b9e35a6c111175e
- https://git.kernel.org/stable/c/bbb9a0ab96d44a64529aafc7a16de460a1712f6a
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.