CVE-2015-8952 PUBLISHED

The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.

EPSS 0.08% · 23.0th percentile

Risk Scores

EPSS Score
0.08%
23.0th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSlinux-raspi20, 5.3.0-1007.8, 5.3.0-1014.16
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1008.8~24.04.1, 6.11.0-1012.12~24.04.1, 0
Ubuntu:16.04:LTSlinux-aws4.4.0-1038.47, 4.4.0-1039.48, 4.4.0-1041.50
Ubuntu:20.04:LTSlinux-azure-fde5.4.0-1069.72+cvm1.1, 5.4.0-1068.71+cvm1.1, 5.4.0-1067.70+cvm1.1
Ubuntu:Pro:20.04:LTSlinux-azure-fde-5.155.15.0-1043.50~20.04.1.1, 5.15.0-1103.112~20.04.1.1, 5.15.0-1102.111~20.04.1.1
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1016.17~24.04.1, 6.11.0-1011.12~24.04.1, 6.11.0-1012.13~24.04.1
Ubuntu:18.04:LTSlinux-snapdragon4.4.0-1078.83, 0, 4.4.0-1079.84
Ubuntu:14.04:LTSlinux-aws4.4.0-1010.10, 4.4.0-1012.12, 4.4.0-1011.11
Ubuntu:24.04:LTSlinux-hwe-6.110, 6.11.0-17.17~24.04.2, 6.11.0-19.19~24.04.1
Ubuntu:Pro:14.04:LTSlinux3.13.0-184.235, 3.13.0-185.236, 3.13.0-186.237
Ubuntu:16.04:LTSlinux-snapdragon4.4.0-1076.81, 4.4.0-1077.82, 4.4.0-1078.83
Ubuntu:20.04:LTSlinux-gke5.4.0-1096.103, 5.4.0-1098.105, 5.4.0-1099.106
Ubuntu:22.04:LTSlinux-intel-iot-realtime5.15.0-1073.75, 0
Ubuntu:22.04:LTSlinux-realtime5.15.0-1032.35, 0
Ubuntu:16.04:LTSlinux4.4.0-75.96, 4.4.0-77.98, 4.4.0-78.99
Ubuntu:16.04:LTSlinux-raspi24.4.0-1061.69, 4.4.0-1034.41, 4.4.0-1029.36
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1015.15~24.04.1, 6.11.0-1014.14~24.04.1, 6.11.0-1013.13~24.04.1
Ubuntu:16.04:LTSlinux-kvm4.4.0-1013.18, 4.4.0-1012.17, 4.4.0-1010.15
Ubuntu:22.04:LTSlinux-riscv5.15.0-1023.27, 0, 5.13.0-1004.4
Ubuntu:14.04:LTSlinux-lts-xenial4.4.0-34.53~14.04.1, 4.4.0-101.124~14.04.1, 4.4.0-103.126~14.04.1

…and 3 more

Timeline

References

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