CVE-2024-50236 (GCVE-0-2024-50236)

Vulnerability from cvelistv5 – Published: 2024-11-09 10:14 – Updated: 2025-11-03 22:27
VLAI?
Title
wifi: ath10k: Fix memory leak in management tx
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: Fix memory leak in management tx In the current logic, memory is allocated for storing the MSDU context during management packet TX but this memory is not being freed during management TX completion. Similar leaks are seen in the management TX cleanup logic. Kmemleak reports this problem as below, unreferenced object 0xffffff80b64ed250 (size 16): comm "kworker/u16:7", pid 148, jiffies 4294687130 (age 714.199s) hex dump (first 16 bytes): 00 2b d8 d8 80 ff ff ff c4 74 e9 fd 07 00 00 00 .+.......t...... backtrace: [<ffffffe6e7b245dc>] __kmem_cache_alloc_node+0x1e4/0x2d8 [<ffffffe6e7adde88>] kmalloc_trace+0x48/0x110 [<ffffffe6bbd765fc>] ath10k_wmi_tlv_op_gen_mgmt_tx_send+0xd4/0x1d8 [ath10k_core] [<ffffffe6bbd3eed4>] ath10k_mgmt_over_wmi_tx_work+0x134/0x298 [ath10k_core] [<ffffffe6e78d5974>] process_scheduled_works+0x1ac/0x400 [<ffffffe6e78d60b8>] worker_thread+0x208/0x328 [<ffffffe6e78dc890>] kthread+0x100/0x1c0 [<ffffffe6e78166c0>] ret_from_fork+0x10/0x20 Free the memory during completion and cleanup to fix the leak. Protect the mgmt_pending_tx idr_remove() operation in ath10k_wmi_tlv_op_cleanup_mgmt_tx_send() using ar->data_lock similar to other instances. Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.2.0-01387-QCAHLSWMTPLZ-1
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d , < eff818238bedb9c2484c251ec46f9f160911cdc0 (git)
Affected: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d , < 6fc9af3df6ca7f3c94774d20f62dc7b49616026d (git)
Affected: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d , < 4112450da7d67b59ccedc2208bae622db17dbcb8 (git)
Affected: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d , < 705be2dc45c7f852e211e16bc41a916fab741983 (git)
Affected: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d , < 6cc23898e6ba47e976050d3c080b4d2c1add3748 (git)
Affected: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d , < 5f5a939759c79e7385946c85e62feca51a18d816 (git)
Affected: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d , < 2f6f1e26ac6d2b38e2198a71f81f0ade14d6b07b (git)
Affected: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d , < e15d84b3bba187aa372dff7c58ce1fd5cb48a076 (git)
Create a notification for this product.
    Linux Linux Affected: 4.19
Unaffected: 0 , < 4.19 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.229 , ≤ 5.10.* (semver)
Unaffected: 5.15.171 , ≤ 5.15.* (semver)
Unaffected: 6.1.116 , ≤ 6.1.* (semver)
Unaffected: 6.6.60 , ≤ 6.6.* (semver)
Unaffected: 6.11.7 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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    "dateUpdated": "2025-11-03T22:27:18.494Z",
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\"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath10k/wmi-tlv.c\", \"drivers/net/wireless/ath/ath10k/wmi.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/eff818238bedb9c2484c251ec46f9f160911cdc0\"}, {\"url\": \"https://git.kernel.org/stable/c/6fc9af3df6ca7f3c94774d20f62dc7b49616026d\"}, {\"url\": \"https://git.kernel.org/stable/c/4112450da7d67b59ccedc2208bae622db17dbcb8\"}, {\"url\": \"https://git.kernel.org/stable/c/705be2dc45c7f852e211e16bc41a916fab741983\"}, {\"url\": \"https://git.kernel.org/stable/c/6cc23898e6ba47e976050d3c080b4d2c1add3748\"}, {\"url\": \"https://git.kernel.org/stable/c/5f5a939759c79e7385946c85e62feca51a18d816\"}, {\"url\": \"https://git.kernel.org/stable/c/2f6f1e26ac6d2b38e2198a71f81f0ade14d6b07b\"}, {\"url\": \"https://git.kernel.org/stable/c/e15d84b3bba187aa372dff7c58ce1fd5cb48a076\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: ath10k: Fix memory leak in management tx\\n\\nIn the current logic, memory is allocated for storing the MSDU context\\nduring management packet TX but this memory is not being freed during\\nmanagement TX completion. Similar leaks are seen in the management TX\\ncleanup logic.\\n\\nKmemleak reports this problem as below,\\n\\nunreferenced object 0xffffff80b64ed250 (size 16):\\n  comm \\\"kworker/u16:7\\\", pid 148, jiffies 4294687130 (age 714.199s)\\n  hex dump (first 16 bytes):\\n    00 2b d8 d8 80 ff ff ff c4 74 e9 fd 07 00 00 00  .+.......t......\\n  backtrace:\\n    [\u003cffffffe6e7b245dc\u003e] __kmem_cache_alloc_node+0x1e4/0x2d8\\n    [\u003cffffffe6e7adde88\u003e] kmalloc_trace+0x48/0x110\\n    [\u003cffffffe6bbd765fc\u003e] ath10k_wmi_tlv_op_gen_mgmt_tx_send+0xd4/0x1d8 [ath10k_core]\\n    [\u003cffffffe6bbd3eed4\u003e] ath10k_mgmt_over_wmi_tx_work+0x134/0x298 [ath10k_core]\\n    [\u003cffffffe6e78d5974\u003e] process_scheduled_works+0x1ac/0x400\\n    [\u003cffffffe6e78d60b8\u003e] worker_thread+0x208/0x328\\n    [\u003cffffffe6e78dc890\u003e] kthread+0x100/0x1c0\\n    [\u003cffffffe6e78166c0\u003e] ret_from_fork+0x10/0x20\\n\\nFree the memory during completion and cleanup to fix the leak.\\n\\nProtect the mgmt_pending_tx idr_remove() operation in\\nath10k_wmi_tlv_op_cleanup_mgmt_tx_send() using ar-\u003edata_lock similar to\\nother instances.\\n\\nTested-on: WCN3990 hw1.0 SNOC WLAN.HL.2.0-01387-QCAHLSWMTPLZ-1\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.323\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.285\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.229\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.171\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.116\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.60\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.7\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"4.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:49:25.747Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50236\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T20:17:26.840Z\", \"dateReserved\": \"2024-10-21T19:36:19.975Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-11-09T10:14:46.202Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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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.