CVE-2024-27052 (GCVE-0-2024-27052)
Vulnerability from cvelistv5 – Published: 2024-05-01 12:54 – Updated: 2026-08-05 11:29
VLAI
EPSS
VEX
Title
wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work
The workqueue might still be running, when the driver is stopped. To
avoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().
Severity
7.8 (High)
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
9 references
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
e542e66b7c2ee2adeefdbb7f259f2f60cadf2819 , < dddedfa3b29a63c2ca4336663806a6128b8545b4
(git)
Affected: e542e66b7c2ee2adeefdbb7f259f2f60cadf2819 , < ac512507ac89c01ed6cd4ca53032f52cdb23ea59 (git) Affected: e542e66b7c2ee2adeefdbb7f259f2f60cadf2819 , < 3518cea837de4d106efa84ddac18a07b6de1384e (git) Affected: e542e66b7c2ee2adeefdbb7f259f2f60cadf2819 , < 156012667b85ca7305cb363790d3ae8519a6f41e (git) Affected: e542e66b7c2ee2adeefdbb7f259f2f60cadf2819 , < 7059cdb69f8e1a2707dd1e2f363348b507ed7707 (git) Affected: e542e66b7c2ee2adeefdbb7f259f2f60cadf2819 , < 58fe3bbddfec10c6b216096d8c0e517cd8463e3a (git) Affected: e542e66b7c2ee2adeefdbb7f259f2f60cadf2819 , < 1213acb478a7181cd73eeaf00db430f1e45b1361 (git) |
|
| Linux | Linux |
Affected:
5.5
Unaffected: 0 , < 5.5 (semver) Unaffected: 5.10.214 , ≤ 5.10.* (semver) Unaffected: 5.15.153 , ≤ 5.15.* (semver) Unaffected: 6.1.83 , ≤ 6.1.* (semver) Unaffected: 6.6.23 , ≤ 6.6.* (semver) Unaffected: 6.7.11 , ≤ 6.7.* (semver) Unaffected: 6.8.2 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix) |
|
| linux | linux_kernel |
Affected:
5.5
cpe:2.3:o:linux:linux_kernel:5.5:*:*:*:*:*:*:* |
|
| linux | linux_kernel |
Affected:
e542e66b7c2e , < 58fe3bbddfec
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
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"current_release_date": "2026-06-28T11:13:03+00:00",
"cve": "CVE-2024-27052",
"id": "CVE-2024-27052",
"initial_release_date": "2024-05-01T00:00:00+00:00",
"product_status:fixed": "664",
"product_status:known_affected": "22",
"product_status:known_not_affected": "50",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-27052.json",
"version": "3"
},
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"id": "CVE-2024-27052",
"initial_release_date": "2024-05-04T02:23:09Z",
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"product_status:recommended": "575",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-27052",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-27052.json",
"version": "71"
},
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This matches the AV:L scoring of the directly analogous `rtl8187_stop()` teardown UAF (CVE-2025-38604).\\nAC:L - The attacker controls both sides of the race: Wi-Fi/BT-coex activity keeps C2H events and RA reports flowing so `schedule_work(\u0026priv-\u003ec2hcmd_work)` fires continuously, and the attacker chooses the exact moment to trigger the stop/unbind, so the window can be hit repeatedly until won.\\nPR:L - An ordinary local user in a normal desktop/embedded session can reach the teardown path via logind-mediated suspend or rfkill, and no capability is needed to generate the Wi-Fi traffic that keeps the work queued; consistent with PR:L used across the driver-teardown UAF class.\\nUI:N - The attacker performs both the traffic generation and the interface stop themselves; no separate victim has to open a file, mount anything, or take any action.\\nS:U - The use-after-free corrupts kernel heap memory within the same kernel security authority; there is no crossing of a VM, IOMMU, or sandbox boundary.\\nC:H - The freed `rtl8xxxu_priv` slab object can be reclaimed and groomed by the attacker, and the work callback reads through it (`priv-\u003efops`, `priv-\u003eudev-\u003edev`, `priv-\u003ec2hcmd_queue`), yielding a use-after-free read primitive that can disclose arbitrary kernel memory.\\nI:H - The stale work item writes into the freed object (skb dequeue/list manipulation on `c2hcmd_queue`, updates to `priv-\u003era_report` and `priv-\u003ebt_coex`), and the workqueue core manipulates the freed embedded `work_struct`, giving a controlled-write primitive on reclaimed heap memory that is leverageable for control-flow hijack.\\nA:H - Even unexploited, the use-after-free reliably produces a kernel oops or panic when the work runs against freed memory, and it can be retriggered on every device stop.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"e542e66b7c2ee2adeefdbb7f259f2f60cadf2819\", \"lessThan\": \"dddedfa3b29a63c2ca4336663806a6128b8545b4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e542e66b7c2ee2adeefdbb7f259f2f60cadf2819\", \"lessThan\": \"ac512507ac89c01ed6cd4ca53032f52cdb23ea59\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e542e66b7c2ee2adeefdbb7f259f2f60cadf2819\", \"lessThan\": \"3518cea837de4d106efa84ddac18a07b6de1384e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e542e66b7c2ee2adeefdbb7f259f2f60cadf2819\", \"lessThan\": \"156012667b85ca7305cb363790d3ae8519a6f41e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e542e66b7c2ee2adeefdbb7f259f2f60cadf2819\", \"lessThan\": \"7059cdb69f8e1a2707dd1e2f363348b507ed7707\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e542e66b7c2ee2adeefdbb7f259f2f60cadf2819\", \"lessThan\": \"58fe3bbddfec10c6b216096d8c0e517cd8463e3a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e542e66b7c2ee2adeefdbb7f259f2f60cadf2819\", \"lessThan\": \"1213acb478a7181cd73eeaf00db430f1e45b1361\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.5\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.214\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.153\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.83\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.23\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/dddedfa3b29a63c2ca4336663806a6128b8545b4\"}, {\"url\": \"https://git.kernel.org/stable/c/ac512507ac89c01ed6cd4ca53032f52cdb23ea59\"}, {\"url\": \"https://git.kernel.org/stable/c/3518cea837de4d106efa84ddac18a07b6de1384e\"}, {\"url\": \"https://git.kernel.org/stable/c/156012667b85ca7305cb363790d3ae8519a6f41e\"}, {\"url\": \"https://git.kernel.org/stable/c/7059cdb69f8e1a2707dd1e2f363348b507ed7707\"}, {\"url\": \"https://git.kernel.org/stable/c/58fe3bbddfec10c6b216096d8c0e517cd8463e3a\"}, {\"url\": \"https://git.kernel.org/stable/c/1213acb478a7181cd73eeaf00db430f1e45b1361\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work\\n\\nThe workqueue might still be running, when the driver is stopped. To\\navoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.214\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.153\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.83\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.23\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.11\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.2\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"5.5\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:29:14.215Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-27052\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:29:14.215Z\", \"dateReserved\": \"2024-02-19T14:20:24.214Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-01T12:54:42.547Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- 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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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