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CVE-2024-42114 is an improper-input-validation vulnerability in the Linux kernel Wi-Fi cfg80211 subsystem. cfg80211 did not sufficiently restrict values supplied through the NL80211_ATTR_TXQ_QUANTUM netlink attribute. Supplying an excessively large quantum value, demonstrated with 2^31, can cause mac80211 fair-queue transmit-queue processing to run for an excessive period and trigger a watchdog-reported kernel soft lockup. The upstream correction restricts accepted TXQ quantum values.
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An input-validation flaw in the Linux kernel cfg80211 Wi-Fi subsystem affecting NL80211_ATTR_TXQ_QUANTUM values.
A Linux kernel Wi-Fi cfg80211 vulnerability in which an excessively large NL80211_ATTR_TXQ_QUANTUM value (2^31) can trigger a CPU soft lockup, resulting in denial of service. The upstream fix restricts accepted quantum values.
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Cross-references every affected SKU, including bundled OEM variants.
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