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Double Free

Description

Linux kernel is vulnerable to double free. The vulnerability exists in `usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c` because is no need to call dev_kfree_skb() when usb_submit_urb() fails because can_put_echo_skb() deletes original skb and can_free_echo_skb() deletes the cloned skb causing a double free.


Affected Software


CPE Name Name Version
linux-gke-5.4:bionic 5.4.0.1025.12
linux-gke-5.4:bionic 5.4.0.1030.16
linux-gke-5.4:bionic 5.4.0.1024.11
linux-gke-5.4:bionic 5.4.0.1052.55~18.04.17
linux-gke-5.4:bionic 5.4.0.1021.8
linux-gke-5.4:bionic 5.4.0.1029.15
linux-gke-5.4:bionic 5.4.0.1022.9
linux-gcp:focal 5.4.0.1029.37
linux-gcp:focal 5.4.0.1021.19
linux-gcp:focal 5.4.0.1009.9
linux-gcp:focal 5.4.0.1024.21
linux-gcp:focal 5.4.0.1025.22
linux-gcp:focal 5.4.0.1030.38
linux-aws:bionic 4.15.0.1007.7
linux-aws:focal 5.4.0.1029.30
linux-aws:focal 5.4.0.1022.23
linux-aws:focal 5.4.0.1025.26
linux-aws:focal 5.4.0.1024.25
linux-aws:focal 5.4.0.1009.11
linux-aws:focal 5.4.0.1021.22
linux-aws:focal 5.4.0.1030.31
linux-kvm:bionic 4.15.0.1008.8
linux-kvm:bionic 4.15.0.1071.67
linux-kvm:bionic 4.15.0.1077.73
linux-kvm:bionic 4.15.0.1099.95
linux-kvm:bionic 4.15.0.1074.70
linux-kvm:bionic 4.15.0.1075.71
linux-gkeop-5.4:bionic 5.4.0.1005.6
linux-gkeop-5.4:bionic 5.4.0.42.46~18.04.35
linux-gkeop-5.4:bionic 5.4.0.48.52~18.04.41
linux-gkeop-5.4:bionic 5.4.0.1023.24~18.04.24
linux-gkeop-5.4:bionic 5.4.0.45.49~18.04.38
linux-gkeop-5.4:bionic 5.4.0.47.51~18.04.40
linux-gkeop-5.4:bionic 5.4.0.1004.5
linux-kvm:focal 5.4.0.1020.19
linux-kvm:focal 5.4.0.1026.24
linux-kvm:focal 5.4.0.1009.9
linux-kvm:focal 5.4.0.1024.22
linux-kvm:focal 5.4.0.1023.21
linux-gke:focal 5.4.0.1024.21
linux-gke:focal 5.4.0.1029.37
linux-gke:focal 5.4.0.1021.19
linux-gke:focal 5.4.0.1009.9
linux-gke:focal 5.4.0.1030.38
linux-gke:focal 5.4.0.1025.22
linux-dell300x:bionic 4.15.0.1003.5
linux-dell300x:bionic 4.15.0.1027.29
linux-dell300x:bionic 4.15.0.1006.8
linux-dell300x:bionic 4.15.0.1007.9
linux-oracle:focal 5.4.0.1021.19
linux-oracle:focal 5.4.0.1009.9
linux-oracle:focal 5.4.0.1024.21
linux-oracle:focal 5.4.0.1025.22
linux-oracle:focal 5.4.0.1030.27
linux-oracle:focal 5.4.0.1029.26
linux-gkeop:focal 5.4.0.1010.13
linux-azure:focal 5.4.0.1022.21
linux-azure:focal 5.4.0.1031.29
linux-azure:focal 5.4.0.1032.30
linux-azure:focal 5.4.0.1010.11
linux-azure:focal 5.4.0.1025.24
linux-azure:focal 5.4.0.1026.25
linux-gke-5.4:bionic 5.4.0.1025.12
linux-gke-5.4:bionic 5.4.0.1030.16
linux-gke-5.4:bionic 5.4.0.1024.11
linux-gke-5.4:bionic 5.4.0.1052.55~18.04.17
linux-gke-5.4:bionic 5.4.0.1021.8
linux-gke-5.4:bionic 5.4.0.1029.15
linux-gke-5.4:bionic 5.4.0.1022.9
linux-gcp:focal 5.4.0.1029.37
linux-gcp:focal 5.4.0.1021.19
linux-gcp:focal 5.4.0.1009.9
linux-gcp:focal 5.4.0.1024.21
linux-gcp:focal 5.4.0.1025.22
linux-gcp:focal 5.4.0.1030.38
linux-aws:bionic 4.15.0.1007.7
linux-aws:focal 5.4.0.1029.30
linux-aws:focal 5.4.0.1022.23
linux-aws:focal 5.4.0.1025.26
linux-aws:focal 5.4.0.1024.25
linux-aws:focal 5.4.0.1009.11
linux-aws:focal 5.4.0.1021.22
linux-aws:focal 5.4.0.1030.31
linux-kvm:bionic 4.15.0.1008.8
linux-kvm:bionic 4.15.0.1071.67
linux-kvm:bionic 4.15.0.1077.73
linux-kvm:bionic 4.15.0.1099.95
linux-kvm:bionic 4.15.0.1074.70
linux-kvm:bionic 4.15.0.1075.71
linux-gkeop-5.4:bionic 5.4.0.1005.6
linux-gkeop-5.4:bionic 5.4.0.42.46~18.04.35
linux-gkeop-5.4:bionic 5.4.0.48.52~18.04.41
linux-gkeop-5.4:bionic 5.4.0.1023.24~18.04.24
linux-gkeop-5.4:bionic 5.4.0.45.49~18.04.38
linux-gkeop-5.4:bionic 5.4.0.47.51~18.04.40
linux-gkeop-5.4:bionic 5.4.0.1004.5
linux-kvm:focal 5.4.0.1020.19
linux-kvm:focal 5.4.0.1026.24
linux-kvm:focal 5.4.0.1009.9
linux-kvm:focal 5.4.0.1024.22
linux-kvm:focal 5.4.0.1023.21
linux-gke:focal 5.4.0.1024.21
linux-gke:focal 5.4.0.1029.37
linux-gke:focal 5.4.0.1021.19
linux-gke:focal 5.4.0.1009.9
linux-gke:focal 5.4.0.1030.38
linux-gke:focal 5.4.0.1025.22
linux-dell300x:bionic 4.15.0.1003.5
linux-dell300x:bionic 4.15.0.1027.29
linux-dell300x:bionic 4.15.0.1006.8
linux-dell300x:bionic 4.15.0.1007.9
linux-oracle:focal 5.4.0.1021.19
linux-oracle:focal 5.4.0.1009.9
linux-oracle:focal 5.4.0.1024.21
linux-oracle:focal 5.4.0.1025.22
linux-oracle:focal 5.4.0.1030.27
linux-oracle:focal 5.4.0.1029.26
linux-gkeop:focal 5.4.0.1010.13
linux-azure:focal 5.4.0.1022.21
linux-azure:focal 5.4.0.1031.29
linux-azure:focal 5.4.0.1032.30
linux-azure:focal 5.4.0.1010.11
linux-azure:focal 5.4.0.1025.24
linux-azure:focal 5.4.0.1026.25

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