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CVE-2019-19227 PUBLISHED

In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregister_snap_client, aka CID-9804501fa122.

EPSS 0.08% · 24.2th percentile

Risk Scores

EPSS Score
0.08%
24.2th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:14.04:LTSlinux-lts-xenial4.4.0-116.140~14.04.1, 4.4.0-121.145~14.04.1, 4.4.0-127.153~14.04.1
Ubuntu:22.04:LTSlinux-realtime0, 5.15.0-1032.35
Ubuntu:16.04:LTSlinux-snapdragon4.4.0-1084.89, 4.4.0-1078.83, 4.4.0-1079.84
Ubuntu:18.04:LTSlinux-oracle-5.05.0.0-1008.13~18.04.1, *, 5.0.0-1007.12~18.04.1
Ubuntu:Pro:14.04:LTSlinux3.13.0-203.254, 3.13.0-204.255, 3.13.0-205.256
Ubuntu:18.04:LTSlinux-hwe4.18.0-25.26~18.04.1, 5.0.0-25.26~18.04.1, 5.0.0-27.28~18.04.1
Ubuntu:16.04:LTSlinux-aws-hwe*, *, 4.15.0-1050.52~16.04.1
Ubuntu:18.04:LTSlinux-aws4.15.0-1051.53, 4.15.0-1058.60, 4.15.0-1048.50
Ubuntu:16.04:LTSlinux-hwe4.15.0-55.60~16.04.2, 4.8.0-51.54~16.04.1, *
Ubuntu:18.04:LTSlinux-oem-osp15.0.0-1028.32, 5.0.0-1027.31, 5.0.0-1025.28
Ubuntu:18.04:LTSlinux-gke-5.0*, 5.0.0-1027.28~18.04.1, 5.0.0-1025.26~18.04.1
Ubuntu:Pro:FIPS:18.04:LTSlinux-azure-fips0, 4.15.0-1002.2
Ubuntu:18.04:LTSlinux-gcp-edge4.18.0-1009.10~18.04.1, 4.18.0-1008.9~18.04.1, 4.18.0-1006.7~18.04.1
Ubuntu:20.04:LTSlinux-azure-fde5.4.0-1073.76+cvm1.1, 5.4.0-1068.71+cvm1.1, *
Ubuntu:20.04:LTSlinux-riscv5.4.0-30.34, 5.4.0-39.44, 5.4.0-37.42
Ubuntu:Pro:FIPS:18.04:LTSlinux-gcp-fips4.15.0-1001.1, 0
Ubuntu:18.04:LTSlinux-azure-edge4.18.0-1007.7~18.04.1, 0, *
Ubuntu:Pro:14.04:LTSlinux-azure4.15.0-1059.64~14.04.1, 4.15.0-1036.38~14.04.2, 4.15.0-1035.36~14.04.2
Ubuntu:18.04:LTSlinux-snapdragon4.4.0-1077.82, 4.4.0-1078.83, 4.4.0-1079.84
Ubuntu:18.04:LTSlinux-kvm4.15.0-1032.32, 4.15.0-1047.47, 4.15.0-1003.3

…and 26 more

Timeline

References

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