{"id":"CVE-2026-98194","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas_tf: fix UAF in lbtf_free_adapter()\n\nlbtf_free_adapter() calls lbtf_free_cmd_buffer() to free the command\nbuffers before calling timer_delete_sync() to wa…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas_tf: fix UAF in lbtf_free_adapter()\n\nlbtf_free_adapter() calls lbtf_free_cmd_buffer() to free the command\nbuffers before calling timer_delete_sync() to wa…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < 3fb3663260ec396f86b733aab9f81fac6669d2fa","Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < f6c3fa0d17ca0c9e6033bb45f52e33b27a9a40e6","Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < b4745d6063758c681d33affca9733bbd356b6ea1","Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < 41b1a4d545ec348b7d5324b6d4f4c6a3e0326d46","Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < 2b99bfc5a127ce8cd6a887d82815fc2e712f365b","Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < e82536aad653e27c8ca7a8e0f6f816bc3f853ec3","Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < 04c837d413dc11a91e0275b08b9e35a6c111175e","Linux >= 06b16ae5319251c26377afcb401e46056d5673f4 < bbb9a0ab96d44a64529aafc7a16de460a1712f6a","Linux 2.6.28"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:04.800","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98194","references":[{"url":"https://git.kernel.org/stable/c/04c837d413dc11a91e0275b08b9e35a6c111175e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2b99bfc5a127ce8cd6a887d82815fc2e712f365b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3fb3663260ec396f86b733aab9f81fac6669d2fa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/41b1a4d545ec348b7d5324b6d4f4c6a3e0326d46","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b4745d6063758c681d33affca9733bbd356b6ea1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bbb9a0ab96d44a64529aafc7a16de460a1712f6a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e82536aad653e27c8ca7a8e0f6f816bc3f853ec3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f6c3fa0d17ca0c9e6033bb45f52e33b27a9a40e6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T08:50:17.448Z","slug":"CVE-2026-98194","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas_tf: fix UAF in lbtf_free_adapter()\n\nlbtf_free_adapter() calls lbtf_free_cmd_buffer() to free the command\nbuffers before calling timer_delete_sync() to wait for the command\ntimer callback.  If the timer callback (command_timer_fn) is already\nrunning when lbtf_free_cmd_buffer() frees the command array, the\ncallback dereferences priv->cur_cmd->cmdbuf which points to freed\nmemory.\n\nSwap the order so that timer_delete_sync() runs first, ensuring any\nin-flight callback has completed before the command buffers are freed.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}