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Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196."},{"lang":"es","value":"Una vulnerabilidad de uso de la memoria previamente liberada en el kernel de Linux explotable por un atacante local debido a la reutilización de un socket DCCP con un objeto dccps_hc_tx_ccid adjunto como oyente después de ser liberado. Corregido en el kernel de Ubuntu Linux versiones 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 y 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