CVE-2023-52777 (GCVE-0-2023-52777)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:30 – Updated: 2026-08-05 09:11
VLAI
Title
wifi: ath11k: fix gtk offload status event locking
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix gtk offload status event locking The ath11k active pdevs are protected by RCU but the gtk offload status event handling code calling ath11k_mac_get_arvif_by_vdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only.
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 (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a16d9b50cfbaf112401b8e5ccfa852709f498cd4 , < 0cf7577b6b3153b4b49deea9719fe43f96469c6d (git)
Affected: a16d9b50cfbaf112401b8e5ccfa852709f498cd4 , < cf9c7d783a2bf9305df4ef5b93d9063a52e18fca (git)
Affected: a16d9b50cfbaf112401b8e5ccfa852709f498cd4 , < e83246ecd3b193f8d91fce778e8a5ba747fc7d8a (git)
Affected: a16d9b50cfbaf112401b8e5ccfa852709f498cd4 , < 1dea3c0720a146bd7193969f2847ccfed5be2221 (git)
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Linux Linux Affected: 5.19
Unaffected: 0 , < 5.19 (semver)
Unaffected: 6.1.64 , ≤ 6.1.* (semver)
Unaffected: 6.5.13 , ≤ 6.5.* (semver)
Unaffected: 6.6.3 , ≤ 6.6.* (semver)
Unaffected: 6.7 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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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-\u003erekey_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.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"a16d9b50cfbaf112401b8e5ccfa852709f498cd4\", \"lessThan\": \"0cf7577b6b3153b4b49deea9719fe43f96469c6d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a16d9b50cfbaf112401b8e5ccfa852709f498cd4\", \"lessThan\": \"cf9c7d783a2bf9305df4ef5b93d9063a52e18fca\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a16d9b50cfbaf112401b8e5ccfa852709f498cd4\", \"lessThan\": \"e83246ecd3b193f8d91fce778e8a5ba747fc7d8a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a16d9b50cfbaf112401b8e5ccfa852709f498cd4\", \"lessThan\": \"1dea3c0720a146bd7193969f2847ccfed5be2221\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath11k/wmi.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.19\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.19\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.5.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.5.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath11k/wmi.c\"], \"defaultStatus\": \"affected\"}], \"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\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.64\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.5.13\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.3\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7\", \"versionStartIncluding\": \"5.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T09:11:24.587Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52777\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T09:11:24.587Z\", \"dateReserved\": \"2024-05-21T15:19:24.240Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:30:57.598Z\", \"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.

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.


Detection rules are retrieved from Rulezet.