CVE-2016-2854 PUBLISHED

The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

EPSS 0.35% · 57.1th percentile

Risk Scores

EPSS Score
0.35%
57.1th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:18.04:LTSlinux-azure-5.45.4.0-1047.49~18.04.1, 5.4.0-1048.50~18.04.1, 5.4.0-1049.51~18.04.1
Ubuntu:Pro:Realtime:24.04:LTSlinux-raspi-realtime6.8.0-2029.30, 6.8.0-2030.31, 6.8.0-2031.32
Ubuntu:22.04:LTSlinux-azure-fde-5.190, 5.19.0-1025.28~22.04.1.1, 5.19.0-1026.29~22.04.1.1
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1016.16, 6.8.0-1003.3, 6.8.0-1004.4
Ubuntu:20.04:LTSlinux-oem-5.145.14.0-1059.67, 5.14.0-1058.66, 5.14.0-1057.64
Ubuntu:22.04:LTSlinux-azure5.15.0-1066.75, 5.15.0-1103.112, 5.15.0-1102.111
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1046.53~22.04.1, 0, 6.8.0-1041.48~22.04.1
Ubuntu:24.04:LTSlinux-azure-nvidia-6.140, 6.14.0-1003.3, 6.14.0-1006.6
Ubuntu:22.04:LTSlinux-azure-5.195.19.0-1021.22~22.04.1, 5.19.0-1023.24~22.04.1, 0
Ubuntu:25.10linux-azure-fde6.17.0-1005.5, 6.17.0-1004.4, 6.17.0-1003.3
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1044.51, 0, 6.8.0-1041.48
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-gcp-fips6.8.0-1045.48+fips1, 6.8.0-1044.47+fips1, 6.8.0-1043.46+fips1
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1028.31~22.04.1, 0, 6.8.0-1008.8~22.04.1
Ubuntu:Pro:FIPS-updates:22.04:LTSlinux-fips5.15.0-73.80+fips1, 5.15.0-171.181+fips1, 5.15.0-170.180+fips1
Ubuntu:Pro:FIPS:20.04:LTSlinux-azure-fips0, 5.4.0-1022.22+fips1
Ubuntu:Pro:FIPS-preview:22.04:LTSlinux-aws-fips0, 5.15.0-1042.47+fips1, 5.15.0-1051.56+fips1
Ubuntu:Pro:20.04:LTSlinux-ibm-5.155.15.0-1094.97~20.04.1, 5.15.0-1079.82~20.04.1, 5.15.0-1080.83~20.04.1
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:Pro:FIPS:18.04:LTSlinux-gcp-fips0, 4.15.0-1001.1
Ubuntu:25.10linux-azure6.17.0-1004.4, 0, 6.14.0-1004.4

…and 78 more

Timeline

References

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