{"id":"CVE-2023-52777","state":"PUBLISHED","title":"wifi: ath11k: fix gtk offload status event locking","description":"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.","publishedAt":"2024-05-21T15:30:57.598Z","updatedAt":"2026-08-05T09:11:24.587Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"Linux"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a16d9b50cfbaf112401b8e5ccfa852709f498cd4","status":"affected","lessThan":"0cf7577b6b3153b4b49deea9719fe43f96469c6d","versionType":"git"},{"version":"a16d9b50cfbaf112401b8e5ccfa852709f498cd4","status":"affected","lessThan":"cf9c7d783a2bf9305df4ef5b93d9063a52e18fca","versionType":"git"},{"version":"a16d9b50cfbaf112401b8e5ccfa852709f498cd4","status":"affected","lessThan":"e83246ecd3b193f8d91fce778e8a5ba747fc7d8a","versionType":"git"},{"version":"a16d9b50cfbaf112401b8e5ccfa852709f498cd4","status":"affected","lessThan":"1dea3c0720a146bd7193969f2847ccfed5be2221","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/wmi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.64","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.13","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6.3","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/wmi.c"]}],"references":["https://git.kernel.org/stable/c/0cf7577b6b3153b4b49deea9719fe43f96469c6d","https://git.kernel.org/stable/c/cf9c7d783a2bf9305df4ef5b93d9063a52e18fca","https://git.kernel.org/stable/c/e83246ecd3b193f8d91fce778e8a5ba747fc7d8a","https://git.kernel.org/stable/c/1dea3c0720a146bd7193969f2847ccfed5be2221"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52777.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52777","state":"PUBLISHED","datePublished":"2024-05-21T15:30:57.598Z","dateUpdated":"2026-08-05T09:11:24.587Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-21T15:19:24.240Z"},"containers":{"cna":{"title":"wifi: ath11k: fix gtk offload status event locking","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a16d9b50cfbaf112401b8e5ccfa852709f498cd4","status":"affected","lessThan":"0cf7577b6b3153b4b49deea9719fe43f96469c6d","versionType":"git"},{"version":"a16d9b50cfbaf112401b8e5ccfa852709f498cd4","status":"affected","lessThan":"cf9c7d783a2bf9305df4ef5b93d9063a52e18fca","versionType":"git"},{"version":"a16d9b50cfbaf112401b8e5ccfa852709f498cd4","status":"affected","lessThan":"e83246ecd3b193f8d91fce778e8a5ba747fc7d8a","versionType":"git"},{"version":"a16d9b50cfbaf112401b8e5ccfa852709f498cd4","status":"affected","lessThan":"1dea3c0720a146bd7193969f2847ccfed5be2221","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/wmi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.64","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.13","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6.3","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/wmi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0cf7577b6b3153b4b49deea9719fe43f96469c6d"},{"url":"https://git.kernel.org/stable/c/cf9c7d783a2bf9305df4ef5b93d9063a52e18fca"},{"url":"https://git.kernel.org/stable/c/e83246ecd3b193f8d91fce778e8a5ba747fc7d8a"},{"url":"https://git.kernel.org/stable/c/1dea3c0720a146bd7193969f2847ccfed5be2221"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"},"scenarios":[{"lang":"en","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 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