CVE-2020-8992 PUBLISHED

ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.

EPSS 0.05% · 16.8th percentile

Risk Scores

EPSS Score
0.05%
16.8th percentile

Affected Products

VendorProductVersions
Ubuntu:24.04:LTSlinux-raspi-realtime0, 6.8.0-2019.20
Ubuntu:16.04:LTSlinux-oracle4.15.0-1014.16~16.04.1, 4.15.0-1013.15~16.04.1, 4.15.0-1011.13~16.04.1
Ubuntu:18.04:LTSlinux-kvm0, 4.15.0-1044.44, 4.15.0-1046.46
Ubuntu:18.04:LTSlinux-azure-edge4.18.0-1008.8~18.04.1, 4.18.0-1007.7~18.04.1, 4.18.0-1006.6~18.04.1
Ubuntu:18.04:LTSlinux-snapdragon4.15.0-1071.78, 4.15.0-1064.71, 4.15.0-1066.73
Ubuntu:18.04:LTSlinux-hwe-edge5.0.0-20.21~18.04.1, 5.3.0-19.20~18.04.2, 5.3.0-22.24~18.04.1
Ubuntu:16.04:LTSlinux-aws-hwe4.15.0-1047.49~16.04.1, 4.15.0-1039.41~16.04.1, 4.15.0-1040.42~16.04.1
Ubuntu:20.04:LTSlinux-raspi25.4.0-1004.4, 5.4.0-1006.6, 0
Ubuntu:18.04:LTSlinux-gcp-5.35.3.0-1014.15~18.04.1, 5.3.0-1009.10~18.04.1, 5.3.0-1010.11~18.04.1
Ubuntu:18.04:LTSlinux-aws-5.30, 5.3.0-1016.17~18.04.1
Ubuntu:18.04:LTSlinux-gke-4.154.15.0-1033.35, 4.15.0-1034.36, 4.15.0-1036.38
Ubuntu:18.04:LTSlinux-oracle-5.35.3.0-1014.15~18.04.1, 5.3.0-1011.12~18.04.1, 0
Ubuntu:22.04:LTSlinux-riscv5.15.0-1028.32, 5.15.0-1027.31, 5.15.0-1026.30
Ubuntu:18.04:LTSlinux-gke-5.30, 5.3.0-1011.12~18.04.1, 5.3.0-1012.13~18.04.1
Ubuntu:22.04:LTSlinux-realtime0, 5.15.0-1032.35
Ubuntu:16.04:LTSlinux-hwe4.10.0-28.32~16.04.2, 4.10.0-27.30~16.04.2, 4.8.0-58.63~16.04.1
Ubuntu:18.04:LTSlinux-aws-5.05.0.0-1024.27~18.04.1, 5.0.0-1025.28, 5.0.0-1023.26~18.04.1
Ubuntu:18.04:LTSlinux-azure-5.35.3.0-1016.17~18.04.1, 5.3.0-1013.14~18.04.1, 5.3.0-1012.13~18.04.1
Ubuntu:18.04:LTSlinux-azure4.15.0-1036.38, 4.15.0-1009.9, 4.15.0-1008.8
Ubuntu:16.04:LTSlinux-snapdragon4.4.0-1032.36, 4.4.0-1035.39, 4.4.0-1039.43

…and 26 more

Timeline

References

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