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CVE-2023-54300 (GCVE-0-2023-54300)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:23 – Updated: 2026-05-11 19:59
VLAI
Title
wifi: ath9k: avoid referencing uninit memory in ath9k_wmi_ctrl_rx
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: avoid referencing uninit memory in ath9k_wmi_ctrl_rx For the reasons also described in commit b383e8abed41 ("wifi: ath9k: avoid uninit memory read in ath9k_htc_rx_msg()"), ath9k_htc_rx_msg() should validate pkt_len before accessing the SKB. For example, the obtained SKB may have been badly constructed with pkt_len = 8. In this case, the SKB can only contain a valid htc_frame_hdr but after being processed in ath9k_htc_rx_msg() and passed to ath9k_wmi_ctrl_rx() endpoint RX handler, it is expected to have a WMI command header which should be located inside its data payload. Implement sanity checking inside ath9k_wmi_ctrl_rx(). Otherwise, uninit memory can be referenced. Tested on Qualcomm Atheros Communications AR9271 802.11n . Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 0bc12e41af4e3ae1f0efecc377f0514459df0707 (git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 28259ce4f1f1f9ab37fa817756c89098213d2fc0 (git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 90e3c10177573b8662ac9858abd9bf731d5d98e0 (git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 250efb4d3f5b32a115ea6bf25437ba44a1b3c04f (git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < ad5425e70789c29b93acafb5bb4629e4eb908296 (git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < d1c2ff2bd84c3692c9df267a2b991ce92bfca8ef (git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 8ed572e52714593b209e3aa352406aff84481179 (git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 75acec91aeaa07375cd5f418069e61b16d39bbad (git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < f24292e827088bba8de7158501ac25a59b064953 (git)
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Linux Linux Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 4.14.322 , ≤ 4.14.* (semver)
Unaffected: 4.19.291 , ≤ 4.19.* (semver)
Unaffected: 5.4.251 , ≤ 5.4.* (semver)
Unaffected: 5.10.188 , ≤ 5.10.* (semver)
Unaffected: 5.15.121 , ≤ 5.15.* (semver)
Unaffected: 6.1.39 , ≤ 6.1.* (semver)
Unaffected: 6.3.13 , ≤ 6.3.* (semver)
Unaffected: 6.4.4 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: avoid referencing uninit memory in ath9k_wmi_ctrl_rx\n\nFor the reasons also described in commit b383e8abed41 (\"wifi: ath9k: avoid\nuninit memory read in ath9k_htc_rx_msg()\"), ath9k_htc_rx_msg() should\nvalidate pkt_len before accessing the SKB.\n\nFor example, the obtained SKB may have been badly constructed with\npkt_len = 8. In this case, the SKB can only contain a valid htc_frame_hdr\nbut after being processed in ath9k_htc_rx_msg() and passed to\nath9k_wmi_ctrl_rx() endpoint RX handler, it is expected to have a WMI\ncommand header which should be located inside its data payload.\n\nImplement sanity checking inside ath9k_wmi_ctrl_rx(). Otherwise, uninit\nmemory can be referenced.\n\nTested on Qualcomm Atheros Communications AR9271 802.11n .\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller."
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/f24292e827088bba8de7158501ac25a59b064953"
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      ],
      "title": "wifi: ath9k: avoid referencing uninit memory in ath9k_wmi_ctrl_rx",
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    "cveId": "CVE-2023-54300",
    "datePublished": "2025-12-30T12:23:35.819Z",
    "dateReserved": "2025-12-30T12:06:44.528Z",
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      "date": "2026-09-14",
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In this case, the SKB can only contain a valid htc_frame_hdr\\nbut after being processed in ath9k_htc_rx_msg() and passed to\\nath9k_wmi_ctrl_rx() endpoint RX handler, it is expected to have a WMI\\ncommand header which should be located inside its data payload.\\n\\nImplement sanity checking inside ath9k_wmi_ctrl_rx(). Otherwise, uninit\\nmemory can be referenced.\\n\\nTested on Qualcomm Atheros Communications AR9271 802.11n .\\n\\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\nwifi: ath9k: evitar referenciar memoria no inicializada en ath9k_wmi_ctrl_rx\\n\\nPor las razones tambi\u00e9n descritas en el commit b383e8abed41 (\u0027wifi: ath9k: evitar lectura de memoria no inicializada en ath9k_htc_rx_msg()\u0027), ath9k_htc_rx_msg() deber\u00eda validar pkt_len antes de acceder al SKB.\\n\\nPor ejemplo, el SKB obtenido puede haber sido mal construido con pkt_len = 8. En este caso, el SKB solo puede contener un htc_frame_hdr v\u00e1lido, pero despu\u00e9s de ser procesado en ath9k_htc_rx_msg() y pasado al manejador RX del endpoint ath9k_wmi_ctrl_rx(), se espera que tenga una cabecera de comando WMI que deber\u00eda estar ubicada dentro de su carga \u00fatil de datos.\\n\\nImplementar comprobaci\u00f3n de cordura dentro de ath9k_wmi_ctrl_rx(). De lo contrario, se puede referenciar memoria no inicializada.\\n\\nProbado en Qualcomm Atheros Communications AR9271 802.11n.\\n\\nEncontrado por Linux Verification Center (linuxtesting.org) con Syzkaller.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/wireless/ath/ath9k/wmi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"0bc12e41af4e3ae1f0efecc377f0514459df0707\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"28259ce4f1f1f9ab37fa817756c89098213d2fc0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"90e3c10177573b8662ac9858abd9bf731d5d98e0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"250efb4d3f5b32a115ea6bf25437ba44a1b3c04f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"ad5425e70789c29b93acafb5bb4629e4eb908296\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"d1c2ff2bd84c3692c9df267a2b991ce92bfca8ef\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"8ed572e52714593b209e3aa352406aff84481179\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"75acec91aeaa07375cd5f418069e61b16d39bbad\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fb9987d0f748c983bb795a86f47522313f701a08\",\"lessThan\":\"f24292e827088bba8de7158501ac25a59b064953\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/wireless/ath/ath9k/wmi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.35\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.35\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.322\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.291\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.251\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.188\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.121\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.39\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.3.13\",\"lessThanOrEqual\":\"6.3.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.4.4\",\"lessThanOrEqual\":\"6.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.5\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0bc12e41af4e3ae1f0efecc377f0514459df0707\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/250efb4d3f5b32a115ea6bf25437ba44a1b3c04f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/28259ce4f1f1f9ab37fa817756c89098213d2fc0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/75acec91aeaa07375cd5f418069e61b16d39bbad\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8ed572e52714593b209e3aa352406aff84481179\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/90e3c10177573b8662ac9858abd9bf731d5d98e0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ad5425e70789c29b93acafb5bb4629e4eb908296\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d1c2ff2bd84c3692c9df267a2b991ce92bfca8ef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f24292e827088bba8de7158501ac25a59b064953\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-21T18:57:27+00:00",
      "cve": "CVE-2023-54300",
      "id": "CVE-2023-54300",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "120",
      "product_status:known_affected": "166",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: ath9k: avoid referencing uninit memory in ath9k_wmi_ctrl_rx",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54300.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T02:02:46Z",
      "cve": "CVE-2023-54300",
      "id": "CVE-2023-54300",
      "initial_release_date": "2025-12-31T00:26:22Z",
      "product_status:known_affected": "554",
      "product_status:known_not_affected": "71",
      "product_status:recommended": "480",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-54300",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-54300.json",
      "version": "39"
    }
  }
}



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Tags
Taxonomy of the tags.





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.