CVE-2020-27830 PUBLISHED

A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.

EPSS 0.15% · 34.8th percentile

Risk Scores

EPSS Score
0.15%
34.8th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSlinux-gcp-5.30, 5.3.0-1032.34~18.04.1, 5.3.0-1030.32~18.04.1
Ubuntu:18.04:LTSlinux-oracle-5.45.4.0-1034.36~18.04.1, 5.4.0-1030.32~18.04.1, 5.4.0-1029.31~18.04.1
Ubuntu:Pro:FIPS:20.04:LTSlinux-azure-fips5.4.0-1022.22+fips1, 0
Ubuntu:16.04:LTSlinux-gcp4.15.0-1025.26~16.04.1, 4.15.0-1092.105~16.04.1, 4.15.0-1091.104~16.04.1
Ubuntu:18.04:LTSlinux-oracle4.15.0-1035.39, 4.15.0-1033.36, 4.15.0-1031.34
Ubuntu:20.04:LTSlinux-kvm5.4.0-1021.21, 5.4.0-1008.8, 5.4.0-1007.7
Ubuntu:18.04:LTSlinux-aws-5.35.3.0-1032.34~18.04.2, 5.3.0-1017.18~18.04.1, 5.3.0-1016.17~18.04.1
Ubuntu:18.04:LTSlinux-azure-5.35.3.0-1019.20~18.04.1, 5.3.0-1020.21~18.04.1, 5.3.0-1022.23~18.04.1
Ubuntu:18.04:LTSlinux-kvm4.15.0-1048.48, 0, 4.15.0-1002.2
Ubuntu:18.04:LTSlinux-hwe5.3.0-64.58~18.04.1, 4.18.0-13.14~18.04.1, 4.18.0-14.15~18.04.1
Ubuntu:18.04:LTSlinux-gcp-4.154.15.0-1083.94, 4.15.0-1084.95, 4.15.0-1086.98
Ubuntu:18.04:LTSlinux-azure4.15.0-1019.19, 4.15.0-1014.14, 4.15.0-1013.13
Ubuntu:20.04:LTSlinux-oracle5.4.0-1008.8, 5.4.0-1007.7, 5.4.0-1005.5
Ubuntu:18.04:LTSlinux-azure-4.154.15.0-1102.113, 4.15.0-1092.102, 4.15.0-1093.103
Ubuntu:18.04:LTSlinux-aws-5.05.0.0-1025.28, 5.0.0-1027.30, 5.0.0-1024.27~18.04.1
Ubuntu:16.04:LTSlinux-hwe4.13.0-38.43~16.04.1, 4.15.0-122.124~16.04.1, 4.15.0-120.122~16.04.1
Ubuntu:20.04:LTSlinux-raspi25.3.0-1017.19, 5.3.0-1015.17, 5.3.0-1014.16
Ubuntu:18.04:LTSlinux-raspi-5.45.4.0-1023.26~18.04.1, 5.4.0-1025.28~18.04.1, 5.4.0-1018.20~18.04.1
Ubuntu:20.04:LTSlinux-azure5.4.0-1022.22, 5.4.0-1023.23, 5.4.0-1025.25
Ubuntu:18.04:LTSlinux-gke-5.45.4.0-1035.37~18.04.1, 5.4.0-1032.34~18.04.1, 5.4.0-1030.32~18.04.1

…and 48 more

Timeline

References

Open in Interactive Console →