CVE-2026-72070

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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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/marvell/libertas_tf/main.c"], "versions": [{"version": "06b16ae5319251c26377afcb401e46056d5673f4", "lessThan": "bd75636681588c67006279abdb9a76a708b3ce29", "status": "affected", "versionType": "git"}, {"version": "06b16ae5319251c26377afcb401e46056d5673f4", "lessThan": "2fba1d3b2f031a2c68e566a6d45cc5b7a8d6683d", "status": "affected", "versionType": "git"}, {"version": "06b16ae5319251c26377afcb401e46056d5673f4", "lessThan": "9392fd5de555272449d3d8c63410ea00f8ec853a", "status": "affected", "versionType": "git"}, {"version": "06b16ae5319251c26377afcb401e46056d5673f4", "lessThan": "4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf", "status": "affected", "versionType": "git"}, {"version": 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"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.28", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bd75636681588c67006279abdb9a76a708b3ce29"}, {"url": "https://git.kernel.org/stable/c/2fba1d3b2f031a2c68e566a6d45cc5b7a8d6683d"}, {"url": "https://git.kernel.org/stable/c/9392fd5de555272449d3d8c63410ea00f8ec853a"}, {"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"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": 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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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.266", "versionStartIncluding": "2.6.28"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.217", "versionStartIncluding": "2.6.28"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.184", "versionStartIncluding": "2.6.28"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.148", "versionStartIncluding": "2.6.28"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.101", "versionStartIncluding": "2.6.28"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.40", "versionStartIncluding": "2.6.28"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.5", "versionStartIncluding": "2.6.28"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "2.6.28"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-23T12:46:42.921Z"}}}, "cveMetadata": {"cveId": "CVE-2026-72070", "state": "PUBLISHED", "dateUpdated": "2026-11-06T16:55:19.417Z", "dateReserved": "2026-08-09T03:40:39.904Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-15T05:52:22.486Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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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."}], "id": "CVE-2026-72070", "lastModified": "2026-11-06T17:19:36.210", "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72070", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:51:09.396547Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:21:16.713", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/066b59e84f90d270cc15f0370166155aca507630"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2fba1d3b2f031a2c68e566a6d45cc5b7a8d6683d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9392fd5de555272449d3d8c63410ea00f8ec853a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bcf7968cb97ce4312588042cf2712f04caff6d8f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bd75636681588c67006279abdb9a76a708b3ce29"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fcff712d0e3d183843ec3916470ee6cc3455baad"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: libertas_tf: fix use-after-free in lbtf_free_adapter()", "id": "2516337", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516337"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's `libertas_tf` Wi-Fi driver. This vulnerability is a use-after-free, meaning the system attempts to access memory after it has been released. This occurs when the `lbtf_free_adapter()` function, responsible for freeing adapter resources, does not properly synchronize with a timer callback during device removal. An attacker could potentially exploit this timing issue to cause system instability, leading to a denial of service, or in some cases, execute unauthorized code."], "name": "CVE-2026-72070", "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72070\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72070\nhttps://lore.kernel.org/linux-cve-announce/2026081519-CVE-2026-72070-37bb@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06b16ae5319251c26377afcb401e46056d5673f4,4714e95f5d61cb9c5c7c6c4e68b618f37bc6ffcf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06b16ae5319251c26377afcb401e46056d5673f4,066b59e84f90d270cc15f0370166155aca507630)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06b16ae5319251c26377afcb401e46056d5673f4,fcff712d0e3d183843ec3916470ee6cc3455baad)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06b16ae5319251c26377afcb401e46056d5673f4,bcf7968cb97ce4312588042cf2712f04caff6d8f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[06b16ae5319251c26377afcb401e46056d5673f4,aa6dcd5c8dd9ba1d7d0f60093bcda41c0d6d438d)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.28"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.28)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc4,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T08:30:06.148737+00:00", "updated": "2026-08-18T02:00:05.410694+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-825"]}