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CVE-2019-19037 PUBLISHED

ext4_empty_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) can be zero.

EPSS 1.08% · 77.7th percentile

Risk Scores

EPSS Score
1.08%
77.7th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSlinux-aws-5.05.0.0-1024.27~18.04.1, 5.0.0-1021.24~18.04.1, 0
Ubuntu:18.04:LTSlinux-oem-osp15.0.0-1028.32, 5.0.0-1024.27, 5.0.0-1025.28
Ubuntu:18.04:LTSlinux-oracle-5.05.0.0-1008.13~18.04.1, 5.0.0-1007.12~18.04.1, 5.0.0-1009.14~18.04.1
Ubuntu:18.04:LTSlinux4.15.0-39.42, 4.15.0-36.39, 4.15.0-34.37
Ubuntu:16.04:LTSlinux-azure4.15.0-1014.14~16.04.1, 4.15.0-1018.18~16.04.1, 4.15.0-1019.19~16.04.1
Ubuntu:18.04:LTSlinux-azure-5.35.3.0-1007.8~18.04.1, 0, 5.3.0-1008.9~18.04.1
Ubuntu:18.04:LTSlinux-oracle4.15.0-1007.9, 4.15.0-1008.10, 4.15.0-1009.11
Ubuntu:18.04:LTSlinux-gke-4.154.15.0-1034.36, 4.15.0-1050.53, 4.15.0-1049.52
Ubuntu:18.04:LTSlinux-gke-5.30, 5.3.0-1011.12~18.04.1
Ubuntu:18.04:LTSlinux-raspi2-5.30, 5.3.0-1017.19~18.04.1
Ubuntu:18.04:LTSlinux-snapdragon4.4.0-1079.84, 4.4.0-1081.86, 4.15.0-1053.57
Ubuntu:18.04:LTSlinux-azure4.15.0-1030.31, 0, 5.0.0-1031.33
Ubuntu:20.04:LTSlinux-azure-fde0, 5.4.0-1086.91+cvm1.1, 5.4.0-1089.94+cvm1.2
Ubuntu:22.04:LTSlinux-intel-iot-realtime0, 5.15.0-1073.75
Ubuntu:18.04:LTSlinux-aws4.15.0-1057.59, 4.15.0-1005.5, 4.15.0-1006.6
Ubuntu:18.04:LTSlinux-azure-edge4.18.0-1008.8~18.04.1, 5.0.0-1012.12~18.04.2, 4.18.0-1007.7~18.04.1
Ubuntu:24.04:LTSlinux-raspi-realtime0, 6.8.0-2019.20
Ubuntu:16.04:LTSlinux-gcp4.15.0-1052.56, 4.15.0-1033.35~16.04.1, 4.15.0-1032.34~16.04.1
Ubuntu:16.04:LTSlinux-hwe4.15.0-51.55~16.04.1, 0, 4.8.0-36.36~16.04.1
Ubuntu:18.04:LTSlinux-hwe-edge5.3.0-24.26~18.04.2, 5.3.0-23.25~18.04.2, 5.3.0-23.25~18.04.1

…and 16 more

Timeline

References

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