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CVE-2018-7757 PUBLISHED

Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (memory consumption) via many read accesses to files in the /sys/class/sas_phy directory, as demonstrated by the /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file.

EPSS 0.10% · 27.8th percentile

Risk Scores

EPSS Score
0.10%
27.8th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSlinux-lts-xenial0, 4.4.0-62.83~14.04.1, 4.4.0-59.80~14.04.1
Ubuntu:22.04:LTSlinux-riscv5.15.0-1011.12, 5.15.0-1012.13, 5.15.0-1014.16
Ubuntu:16.04:LTSlinux-kvm4.4.0-1023.28, 4.4.0-1021.26, 4.4.0-1020.25
Ubuntu:16.04:LTSlinux-aws4.4.0-1018.27, 4.4.0-1057.66, 4.4.0-1055.64
Ubuntu:24.04:LTSlinux-raspi-realtime6.8.0-2019.20, 0
Ubuntu:16.04:LTSlinux4.4.0-2.16, 4.3.0-7.18, 4.3.0-6.17
Ubuntu:20.04:LTSlinux-riscv5.4.0-33.37, 5.4.0-40.45, 5.4.0-39.44
Ubuntu:Pro:FIPS:16.04:LTSlinux-fips4.4.0-1003.3, 0, 4.4.0-1006.6
Ubuntu:14.04:LTSlinux3.12.0-7.15, 3.12.0-5.13, 3.12.0-4.12
Ubuntu:16.04:LTSlinux-raspi24.4.0-1003.4, 4.4.0-1042.49, 4.4.0-1044.51
Ubuntu:16.04:LTSlinux-hwe4.10.0-27.30~16.04.2, 4.8.0-58.63~16.04.1, 4.8.0-56.61~16.04.1
Ubuntu:16.04:LTSlinux-oem4.13.0-1012.13, 0, 4.13.0-1008.9
Ubuntu:20.04:LTSlinux-raspi20, 5.3.0-1007.8, 5.3.0-1014.16
Ubuntu:16.04:LTSlinux-gcp4.10.0-1008.8, 4.10.0-1009.9, 4.13.0-1002.5
Ubuntu:16.04:LTSlinux-azure4.13.0-1018.21, 0, 4.11.0-1009.9
Ubuntu:22.04:LTSlinux-realtime0, 5.15.0-1032.35
Ubuntu:14.04:LTSlinux-aws4.4.0-1017.17, 4.4.0-1016.16, 4.4.0-1014.14
Ubuntu:16.04:LTSlinux-snapdragon4.4.0-1088.93, 0, 4.4.0-1012.12
Ubuntu:20.04:LTSlinux-azure-fde5.4.0-1063.66+cvm2.2, 0, 5.4.0-1103.109+cvm1.1
Ubuntu:20.04:LTSlinux-gke5.4.0-1102.109, 5.4.0-1103.110, 5.4.0-1104.111

…and 1 more

Timeline

References

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