CVE-2024-47712 (GCVE-0-2024-47712)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
8.3 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param In the `wilc_parse_join_bss_param` function, the TSF field of the `ies` structure is accessed after the RCU read-side critical section is unlocked. According to RCU usage rules, this is illegal. Reusing this pointer can lead to unpredictable behavior, including accessing memory that has been updated or causing use-after-free issues. This possible bug was identified using a static analysis tool developed by myself, specifically designed to detect RCU-related issues. To address this, the TSF value is now stored in a local variable `ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is then assigned using this local variable, ensuring that the TSF value is safely accessed.
References
Impacted products
Vendor Product Version
Linux Linux Version: e556006de4ea93abe2b46cba202a2556c544b8b2
Version: b4bbf38c350acb6500cbe667b1e2e68f896e4b38
Version: d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2
Version: 745003b5917b610352f52fe0d11ef658d6471ec2
Version: 4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce
Version: 205c50306acf58a335eb19fa84e40140f4fe814f
Version: 205c50306acf58a335eb19fa84e40140f4fe814f
Version: 205c50306acf58a335eb19fa84e40140f4fe814f
Version: 5800ec78775c0cd646f71eb9bf8402fb794807de
Version: dd50d3ead6e3707bb0a5df7cc832730c93ace3a7
Version: 5.4.273   ≤
Version: 5.10.214   ≤
Version: 5.15.153   ≤
Version: 6.1.83   ≤
Version: 6.6.23   ≤
Version: 6.7.11   ≤
Version: 6.8.2   ≤
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    "datePublished": "2024-10-21T11:53:44.763Z",
    "dateReserved": "2024-09-30T16:00:12.948Z",
    "dateUpdated": "2026-08-05T11:39:39.413Z",
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[\"drivers/net/wireless/microchip/wilc1000/hif.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/5a24cedc243ace5ed7c1016f52a7bfc8f5b07815\"}, {\"url\": \"https://git.kernel.org/stable/c/557418e1704605a81c9e26732449f71b1d40ba1e\"}, {\"url\": \"https://git.kernel.org/stable/c/bf090f4fe935294361eabd9dc5a949fdd77d3d1b\"}, {\"url\": \"https://git.kernel.org/stable/c/b040b71d99ee5e17bb7a743dc01cbfcae8908ce1\"}, {\"url\": \"https://git.kernel.org/stable/c/84398204c5df5aaf89453056cf0647cda9664d2b\"}, {\"url\": \"https://git.kernel.org/stable/c/2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5\"}, {\"url\": \"https://git.kernel.org/stable/c/79510414a7626317f13cc9073244ab7a8deb3192\"}, {\"url\": \"https://git.kernel.org/stable/c/6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param\\n\\nIn the `wilc_parse_join_bss_param` function, the TSF field of the `ies`\\nstructure is accessed after the RCU read-side critical section is\\nunlocked. According to RCU usage rules, this is illegal. Reusing this\\npointer can lead to unpredictable behavior, including accessing memory\\nthat has been updated or causing use-after-free issues.\\n\\nThis possible bug was identified using a static analysis tool developed\\nby myself, specifically designed to detect RCU-related issues.\\n\\nTo address this, the TSF value is now stored in a local variable\\n`ies_tsf` before the RCU lock is released. The `param-\u003etsf_lo` field is\\nthen assigned using this local variable, ensuring that the TSF value is\\nsafely accessed.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.285\", \"versionStartIncluding\": \"5.4.273\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.227\", \"versionStartIncluding\": \"5.10.214\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.168\", \"versionStartIncluding\": \"5.15.153\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.113\", \"versionStartIncluding\": \"6.1.83\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.54\", \"versionStartIncluding\": \"6.6.23\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.13\", \"versionStartIncluding\": \"6.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.2\", \"versionStartIncluding\": \"6.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"6.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.7.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.8.2\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T15:53:48.837Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-47712\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-23T15:53:48.837Z\", \"dateReserved\": \"2024-09-30T16:00:12.948Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T11:53:44.763Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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