{"id":"CVE-2022-50179","title":"ath9k: fix use-after-free in ath9k_hif_usb_rx_cb","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nath9k: fix use-after-free in ath9k_hif_usb_rx_cb\n\nSyzbot reported use-after-free Read in ath9k_hif_usb_rx_cb() [0]. The\nproblem was in incorrect htc_handle->drv_priv in…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 62bc1ea5c7401d77eaf73d0c6a15f3d2e742856e","Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < ab7a0ddf5f1cdec63cb21840369873806fc36d80","Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < e9e21206b8ea62220b486310c61277e7ebfe7cec","Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < eccd7c3e2596b574241a7670b5b53f5322f470e5","Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 03ca957c5f7b55660957eda20b5db4110319ac7a","Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 6b14ab47937ba441e75e8dbb9fbfc9c55efa41c6","Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < b66ebac40f64336ae2d053883bee85261060bd27","Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 0ac4827f78c7ffe8eef074bc010e7e34bc22f533","Linux 2.6.35"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:06:30.724217Z"},"published":"2025-06-18","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:10:27.991Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50179","references":[{"url":"https://git.kernel.org/stable/c/62bc1ea5c7401d77eaf73d0c6a15f3d2e742856e"},{"url":"https://git.kernel.org/stable/c/ab7a0ddf5f1cdec63cb21840369873806fc36d80"},{"url":"https://git.kernel.org/stable/c/e9e21206b8ea62220b486310c61277e7ebfe7cec"},{"url":"https://git.kernel.org/stable/c/eccd7c3e2596b574241a7670b5b53f5322f470e5"},{"url":"https://git.kernel.org/stable/c/03ca957c5f7b55660957eda20b5db4110319ac7a"},{"url":"https://git.kernel.org/stable/c/6b14ab47937ba441e75e8dbb9fbfc9c55efa41c6"},{"url":"https://git.kernel.org/stable/c/b66ebac40f64336ae2d053883bee85261060bd27"},{"url":"https://git.kernel.org/stable/c/0ac4827f78c7ffe8eef074bc010e7e34bc22f533"}],"tags":["cve.org"],"epss":0.0026,"epssPercentile":0.17742,"ingestedAt":"2026-11-05T22:38:31.700Z","slug":"CVE-2022-50179","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nath9k: fix use-after-free in ath9k_hif_usb_rx_cb\n\nSyzbot reported use-after-free Read in ath9k_hif_usb_rx_cb() [0]. The\nproblem was in incorrect htc_handle->drv_priv initialization.\n\nProbable call trace which can trigger use-after-free:\n\nath9k_htc_probe_device()\n  /* htc_handle->drv_priv = priv; */\n  ath9k_htc_wait_for_target()      <--- Failed\n  ieee80211_free_hw()\t\t   <--- priv pointer is freed\n\n<IRQ>\n...\nath9k_hif_usb_rx_cb()\n  ath9k_hif_usb_rx_stream()\n   RX_STAT_INC()\t\t<--- htc_handle->drv_priv access\n\nIn order to not add fancy protection for drv_priv we can move\nhtc_handle->drv_priv initialization at the end of the\nath9k_htc_probe_device() and add helper macro to make\nall *_STAT_* macros NULL safe, since syzbot has reported related NULL\nderef in that macros [1]\n\n## Affected\n\n- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 62bc1ea5c7401d77eaf73d0c6a15f3d2e742856e`\n- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < ab7a0ddf5f1cdec63cb21840369873806fc36d80`\n- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < e9e21206b8ea62220b486310c61277e7ebfe7cec`\n- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < eccd7c3e2596b574241a7670b5b53f5322f470e5`\n- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 03ca957c5f7b55660957eda20b5db4110319ac7a`\n- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 6b14ab47937ba441e75e8dbb9fbfc9c55efa41c6`\n- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < b66ebac40f64336ae2d053883bee85261060bd27`\n- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 0ac4827f78c7ffe8eef074bc010e7e34bc22f533`\n- `Linux 2.6.35`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}