248 lines
12 KiB
JSON
248 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2023-52777",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-05-21T15:19:24.240Z",
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"datePublished": "2024-05-21T15:30:57.598Z",
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"dateUpdated": "2026-08-05T09:11:24.587Z"
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},
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"dateUpdated": "2026-08-05T09:11:24.587Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix gtk offload status event locking\n\nThe ath11k active pdevs are protected by RCU but the gtk offload status\nevent handling code calling ath11k_mac_get_arvif_by_vdev_id() was not\nmarked as a read-side critical section.\n\nMark the code in question as an RCU read-side critical section to avoid\nany potential use-after-free issues.\n\nCompile tested only."
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{
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"lang": "en",
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"value": "AV:L - The handler runs on a host-solicited WMI_GTK_OFFLOAD_STATUS_EVENT from ath11k_wmi_gtk_rekey_getinfo() during WoW resume, not on parsing over-the-air 802.11 frames; like the htt pktlog sibling, triggering requires local suspend/resume on the ath11k host.\nAC:L - A local attacker can drive both sides of the missing-RCU race by inducing WoW resume (async getinfo status event) while concurrently stopping/rfkilling the radio so mac_op_stop clears pdevs_active without waiting for the unlocked reader.\nPR:L - Unlike pktlog (root-only debugfs), GTK offload status is reached through normal WoW suspend/resume on an already-associated STA, and a basic local seat user can suspend and rfkill/tear down wifi without real root; choose Low over High under uncertainty.\nUI:N - The attacker triggers suspend/resume and concurrent radio teardown themselves; no separate victim action such as mounting a device or opening a file is required.\nS:U - Any use-after-free or crash remains inside the host kernel ath11k/mac80211 authority and does not cross a VM, IOMMU, or sandbox boundary.\nC:H - Missing rcu_read_lock around ath11k_mac_get_arvif_by_vdev_id() allows use of RCU-protected pdev/arvif state after deactivation/teardown; per guidance that UAF enables heap reuse and arbitrary kernel disclosure.\nI:H - The same UAF of sprayable ath11k/ieee80211 state while the handler still writes arvif->rekey_data and calls ieee80211_gtk_rekey_notify() yields write/control-flow primitives characteristic of exploitable kernel UAFs.\nA:H - Concurrent use of deactivated or freed ar/arvif after synchronize_rcu without a matching read-side critical section can oops/panic the kernel, so availability impact is complete even without full code execution."
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}
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]
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}
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],
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"affected": [
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"product": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/wireless/ath/ath11k/wmi.c"
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},
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"lessThanOrEqual": "*",
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