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CVE-2024-38572 (GCVE-0-2024-38572)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2026-08-05 11:32
VLAI
Title
wifi: ath12k: fix out-of-bound access of qmi_invoke_handler()
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix out-of-bound access of qmi_invoke_handler() Currently, there is no terminator entry for ath12k_qmi_msg_handlers hence facing below KASAN warning, ================================================================== BUG: KASAN: global-out-of-bounds in qmi_invoke_handler+0xa4/0x148 Read of size 8 at addr ffffffd00a6428d8 by task kworker/u8:2/1273 CPU: 0 PID: 1273 Comm: kworker/u8:2 Not tainted 5.4.213 #0 Workqueue: qmi_msg_handler qmi_data_ready_work Call trace: dump_backtrace+0x0/0x20c show_stack+0x14/0x1c dump_stack+0xe0/0x138 print_address_description.isra.5+0x30/0x330 __kasan_report+0x16c/0x1bc kasan_report+0xc/0x14 __asan_load8+0xa8/0xb0 qmi_invoke_handler+0xa4/0x148 qmi_handle_message+0x18c/0x1bc qmi_data_ready_work+0x4ec/0x528 process_one_work+0x2c0/0x440 worker_thread+0x324/0x4b8 kthread+0x210/0x228 ret_from_fork+0x10/0x18 The address belongs to the variable: ath12k_mac_mon_status_filter_default+0x4bd8/0xfffffffffffe2300 [ath12k] [...] ================================================================== Add a dummy terminator entry at the end to assist the qmi_invoke_handler() in traversing up to the terminator entry without accessing an out-of-boundary index. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:14 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 95575de7dede7b1ed3b9718dab9dda97914ea775 (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < b48d40f5840c505b7af700594aa8379eec28e925 (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < a1abdb63628b04855a929850772de97435ed1555 (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < e1bdff48a1bb4a4ac660c19c55a820968c48b3f2 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-04T22:46:18+00:00",
      "cve": "CVE-2024-38572",
      "id": "CVE-2024-38572",
      "initial_release_date": "2024-06-19T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: ath12k: fix out-of-bound access of qmi_invoke_handler()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-38572.json",
      "version": "3"
    },
    "vulnrichment": {
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QMI is a host-to-firmware control channel and is not exposed to over-the-air or network peers.\\nAC:L - The attacker fully controls the QMI header\u0027s type and msg_id fields, so simply sending any value not present in the 3-entry handler table deterministically walks past the array end; the destination ephemeral port range is only 0x4000-0x7fff and is trivially scanned. No race, timing, or uncontrollable precondition is involved.\\nPR:L - qrtr_create() performs no capability check for AF_QIPCRTR/SOCK_DGRAM, qrtr_sendmsg() autobinds to an ephemeral port and delivers via the global (non-netns-scoped) qrtr_ports XArray, and qmi_handle_message() does no sender validation for non-response messages, so any unprivileged local user can reach it. Only binding below QRTR_MIN_EPH_SOCKET needs CAP_NET_ADMIN, which is not required here.\\nUI:N - The attacker triggers the out-of-bounds access entirely on their own by sending a single crafted QMI datagram. No victim action is needed, and the bug also fires spontaneously on any unrecognized firmware indication.\\nS:U - The out-of-bounds read, the resulting corruption, and the wild indirect call all occur within the kernel\u0027s own security authority on the same host. No hypervisor, IOMMU, or sandbox boundary is crossed.\\nC:H - The loop performs an unbounded out-of-bounds read that walks arbitrary module .rodata until it happens to find a slot with a NULL fn field, and the attacker steers which slot is selected via the type/msg_id he controls. Combined with the garbage qmi_elem_info pointer fed to qmi_decode_message(), this yields wild kernel memory reads well beyond a few bounded bytes.\\nI:H - An attacker-selected out-of-bounds slot supplies a bogus ei pointer to qmi_decode_message(), whose qmi_decode() writes elem_len * elem_size bytes at c_struct + ei-\u003eoffset \\u2014 an out-of-bounds heap write \\u2014 and then calls handler-\u003efn(), an indirect call through an unvalidated pointer read from out-of-bounds memory, giving a control-flow hijack primitive.\\nA:H - The out-of-bounds walk can run off the end of the module mapping and the subsequent decode/indirect call through garbage pointers reliably oopses the kernel, as demonstrated by the KASAN global-out-of-bounds report in the fix commit. It is triggerable repeatedly from an unprivileged process.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"d889913205cf7ebda905b1e62c5867ed4e39f6c2\", \"lessThan\": \"95575de7dede7b1ed3b9718dab9dda97914ea775\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d889913205cf7ebda905b1e62c5867ed4e39f6c2\", \"lessThan\": \"b48d40f5840c505b7af700594aa8379eec28e925\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d889913205cf7ebda905b1e62c5867ed4e39f6c2\", \"lessThan\": \"a1abdb63628b04855a929850772de97435ed1555\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d889913205cf7ebda905b1e62c5867ed4e39f6c2\", \"lessThan\": \"e1bdff48a1bb4a4ac660c19c55a820968c48b3f2\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath12k/qmi.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.3\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.3\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.33\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.12\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath12k/qmi.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/95575de7dede7b1ed3b9718dab9dda97914ea775\"}, {\"url\": \"https://git.kernel.org/stable/c/b48d40f5840c505b7af700594aa8379eec28e925\"}, {\"url\": \"https://git.kernel.org/stable/c/a1abdb63628b04855a929850772de97435ed1555\"}, {\"url\": \"https://git.kernel.org/stable/c/e1bdff48a1bb4a4ac660c19c55a820968c48b3f2\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: ath12k: fix out-of-bound access of qmi_invoke_handler()\\n\\nCurrently, there is no terminator entry for ath12k_qmi_msg_handlers hence\\nfacing below KASAN warning,\\n\\n ==================================================================\\n BUG: KASAN: global-out-of-bounds in qmi_invoke_handler+0xa4/0x148\\n Read of size 8 at addr ffffffd00a6428d8 by task kworker/u8:2/1273\\n\\n CPU: 0 PID: 1273 Comm: kworker/u8:2 Not tainted 5.4.213 #0\\n Workqueue: qmi_msg_handler qmi_data_ready_work\\n Call trace:\\n  dump_backtrace+0x0/0x20c\\n  show_stack+0x14/0x1c\\n  dump_stack+0xe0/0x138\\n  print_address_description.isra.5+0x30/0x330\\n  __kasan_report+0x16c/0x1bc\\n  kasan_report+0xc/0x14\\n  __asan_load8+0xa8/0xb0\\n  qmi_invoke_handler+0xa4/0x148\\n  qmi_handle_message+0x18c/0x1bc\\n  qmi_data_ready_work+0x4ec/0x528\\n  process_one_work+0x2c0/0x440\\n  worker_thread+0x324/0x4b8\\n  kthread+0x210/0x228\\n  ret_from_fork+0x10/0x18\\n\\n The address belongs to the variable:\\n  ath12k_mac_mon_status_filter_default+0x4bd8/0xfffffffffffe2300 [ath12k]\\n [...]\\n ==================================================================\\n\\nAdd a dummy terminator entry at the end to assist the qmi_invoke_handler()\\nin traversing up to the terminator entry without accessing an\\nout-of-boundary index.\\n\\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.33\", \"versionStartIncluding\": \"6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.12\", \"versionStartIncluding\": \"6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.3\", \"versionStartIncluding\": \"6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"6.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:32:52.528Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-38572\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:32:52.528Z\", \"dateReserved\": \"2024-06-18T19:36:34.924Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-19T13:35:37.666Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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