{"api_version":"1","generated_at":"2026-08-16T15:28:49+00:00","cve":"CVE-2026-72070","urls":{"html":"https://cve.report/CVE-2026-72070","api":"https://cve.report/api/cve/CVE-2026-72070.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72070","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72070"},"summary":{"title":"wifi: libertas_tf: fix use-after-free in lbtf_free_adapter()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas_tf: fix use-after-free in lbtf_free_adapter()\n\nlbtf_free_adapter() calls timer_delete(&priv->command_timer), which does\nnot wait for a running command_timer_fn() callback. lbtf_free_adapter()\nruns on the teardown path right before ieee80211_free_hw() frees priv,\nboth in lbtf_remove_card() and in the probe error path. command_timer is\narmed by mod_timer() in lbtf_cmd() whenever a firmware command is sent.\ncommand_timer_fn() dereferences priv. If a command times out as the\ndevice is removed, command_timer_fn() runs concurrently with teardown and\ndereferences priv after it has been freed.\n\nThis is the same use-after-free that commit 03cc8f90d053 (\"wifi: libertas:\nfix use-after-free in lbs_free_adapter()\") fixed in the sibling libertas\ndriver. The libertas_tf variant has the identical pattern and was left\nunchanged. Use timer_delete_sync() so any in-flight callback completes\nbefore priv is freed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:16","updated_at":"2026-08-15 06:21:16"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf","name":"https://git.kernel.org/stable/c/4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bcf7968cb97ce4312588042cf2712f04caff6d8f","name":"https://git.kernel.org/stable/c/bcf7968cb97ce4312588042cf2712f04caff6d8f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438d","name":"https://git.kernel.org/stable/c/aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/066b59e84f90d270cc15f0370166155aca507630","name":"https://git.kernel.org/stable/c/066b59e84f90d270cc15f0370166155aca507630","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fcff712d0e3d183843ec3916470ee6cc3455baad","name":"https://git.kernel.org/stable/c/fcff712d0e3d183843ec3916470ee6cc3455baad","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72070","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72070","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 06b16ae5319251c26377afcb401e46056d5673f4 4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 06b16ae5319251c26377afcb401e46056d5673f4 066b59e84f90d270cc15f0370166155aca507630 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 06b16ae5319251c26377afcb401e46056d5673f4 fcff712d0e3d183843ec3916470ee6cc3455baad git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 06b16ae5319251c26377afcb401e46056d5673f4 bcf7968cb97ce4312588042cf2712f04caff6d8f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 06b16ae5319251c26377afcb401e46056d5673f4 aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.28","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.28 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.148 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72070","cve":"CVE-2026-72070","epss":"0.002090000","percentile":"0.112960000","score_date":"2026-08-15","updated_at":"2026-08-16 00:00:33"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/marvell/libertas_tf/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf","status":"affected","version":"06b16ae5319251c26377afcb401e46056d5673f4","versionType":"git"},{"lessThan":"066b59e84f90d270cc15f0370166155aca507630","status":"affected","version":"06b16ae5319251c26377afcb401e46056d5673f4","versionType":"git"},{"lessThan":"fcff712d0e3d183843ec3916470ee6cc3455baad","status":"affected","version":"06b16ae5319251c26377afcb401e46056d5673f4","versionType":"git"},{"lessThan":"bcf7968cb97ce4312588042cf2712f04caff6d8f","status":"affected","version":"06b16ae5319251c26377afcb401e46056d5673f4","versionType":"git"},{"lessThan":"aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438d","status":"affected","version":"06b16ae5319251c26377afcb401e46056d5673f4","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/marvell/libertas_tf/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.28"},{"lessThan":"2.6.28","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc4","versionStartIncluding":"2.6.28","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas_tf: fix use-after-free in lbtf_free_adapter()\n\nlbtf_free_adapter() calls timer_delete(&priv->command_timer), which does\nnot wait for a running command_timer_fn() callback. lbtf_free_adapter()\nruns on the teardown path right before ieee80211_free_hw() frees priv,\nboth in lbtf_remove_card() and in the probe error path. command_timer is\narmed by mod_timer() in lbtf_cmd() whenever a firmware command is sent.\ncommand_timer_fn() dereferences priv. If a command times out as the\ndevice is removed, command_timer_fn() runs concurrently with teardown and\ndereferences priv after it has been freed.\n\nThis is the same use-after-free that commit 03cc8f90d053 (\"wifi: libertas:\nfix use-after-free in lbs_free_adapter()\") fixed in the sibling libertas\ndriver. The libertas_tf variant has the identical pattern and was left\nunchanged. Use timer_delete_sync() so any in-flight callback completes\nbefore priv is freed."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:52:22.486Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf"},{"url":"https://git.kernel.org/stable/c/066b59e84f90d270cc15f0370166155aca507630"},{"url":"https://git.kernel.org/stable/c/fcff712d0e3d183843ec3916470ee6cc3455baad"},{"url":"https://git.kernel.org/stable/c/bcf7968cb97ce4312588042cf2712f04caff6d8f"},{"url":"https://git.kernel.org/stable/c/aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438d"}],"title":"wifi: libertas_tf: fix use-after-free in lbtf_free_adapter()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72070","datePublished":"2026-08-15T05:52:22.486Z","dateReserved":"2026-08-09T03:40:39.904Z","dateUpdated":"2026-08-15T05:52:22.486Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:16","lastModifiedDate":"2026-08-15 06:21:16","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72070","Ordinal":"1","Title":"wifi: libertas_tf: fix use-after-free in lbtf_free_adapter()","CVE":"CVE-2026-72070","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72070","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas_tf: fix use-after-free in lbtf_free_adapter()\n\nlbtf_free_adapter() calls timer_delete(&priv->command_timer), which does\nnot wait for a running command_timer_fn() callback. lbtf_free_adapter()\nruns on the teardown path right before ieee80211_free_hw() frees priv,\nboth in lbtf_remove_card() and in the probe error path. command_timer is\narmed by mod_timer() in lbtf_cmd() whenever a firmware command is sent.\ncommand_timer_fn() dereferences priv. If a command times out as the\ndevice is removed, command_timer_fn() runs concurrently with teardown and\ndereferences priv after it has been freed.\n\nThis is the same use-after-free that commit 03cc8f90d053 (\"wifi: libertas:\nfix use-after-free in lbs_free_adapter()\") fixed in the sibling libertas\ndriver. The libertas_tf variant has the identical pattern and was left\nunchanged. Use timer_delete_sync() so any in-flight callback completes\nbefore priv is freed.","Type":"Description","Title":"wifi: libertas_tf: fix use-after-free in lbtf_free_adapter()"}]}}}