CVE-2018-7757

EUVD-2018-19469
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
𝑥
≤ 4.15.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
sid
6.11.6-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
artful
Fixed 4.13.0-46.51
released
bionic
not-affected
trusty
Fixed 3.13.0-153.203
released
xenial
Fixed 4.4.0-127.153
released
linux-armadaxp
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-aws
artful
dne
bionic
not-affected
trusty
Fixed 4.4.0-1022.22
released
xenial
Fixed 4.4.0-1060.69
released
linux-azure
artful
dne
bionic
not-affected
trusty
not-affected
xenial
Fixed 4.15.0-1013.13~16.04.2
released
linux-euclid
artful
dne
bionic
dne
trusty
dne
xenial
ignored
linux-flo
artful
dne
bionic
dne
trusty
dne
xenial
ignored
linux-gcp
artful
dne
bionic
not-affected
trusty
dne
xenial
Fixed 4.15.0-1014.14~16.04.1
released
linux-gke
artful
dne
bionic
dne
trusty
dne
xenial
ignored
linux-goldfish
artful
dne
bionic
dne
trusty
dne
xenial
ignored
linux-grouper
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-hwe
artful
dne
bionic
not-affected
trusty
dne
xenial
Fixed 4.15.0-24.26~16.04.1
released
linux-hwe-edge
artful
dne
bionic
Fixed 4.18.0-8.9~18.04.1
released
trusty
dne
xenial
Fixed 4.15.0-24.26~16.04.1
released
linux-kvm
artful
dne
bionic
not-affected
trusty
dne
xenial
Fixed 4.4.0-1026.31
released
linux-linaro-omap
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-linaro-shared
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-linaro-vexpress
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-lts-quantal
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-lts-raring
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-lts-saucy
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-lts-trusty
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-lts-utopic
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-lts-vivid
artful
dne
bionic
dne
trusty
ignored
xenial
dne
linux-lts-wily
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-lts-xenial
artful
dne
bionic
dne
trusty
Fixed 4.4.0-127.153~14.04.1
released
xenial
dne
linux-maguro
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-mako
artful
dne
bionic
dne
trusty
dne
xenial
ignored
linux-manta
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-oem
artful
dne
bionic
not-affected
trusty
dne
xenial
Fixed 4.13.0-1031.35
released
linux-qcm-msm
artful
dne
bionic
dne
trusty
dne
xenial
dne
linux-raspi2
artful
Fixed 4.13.0-1023.24
released
bionic
not-affected
trusty
dne
xenial
Fixed 4.4.0-1090.98
released
linux-snapdragon
artful
Fixed 4.4.0-1093.98
released
bionic
not-affected
trusty
dne
xenial
Fixed 4.4.0-1093.98
released
linux-ti-omap4
artful
dne
bionic
dne
trusty
dne
xenial
dne
Common Weakness Enumeration
References
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
http://www.securityfocus.com/bid/103348
https://access.redhat.com/errata/RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:3096
https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://usn.ubuntu.com/3654-1/
https://usn.ubuntu.com/3654-2/
https://usn.ubuntu.com/3656-1/
https://usn.ubuntu.com/3697-1/
https://usn.ubuntu.com/3697-2/
https://usn.ubuntu.com/3698-1/
https://usn.ubuntu.com/3698-2/
https://www.debian.org/security/2018/dsa-4187
https://www.debian.org/security/2018/dsa-4188
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
http://www.securityfocus.com/bid/103348
https://access.redhat.com/errata/RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:3096
https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://usn.ubuntu.com/3654-1/
https://usn.ubuntu.com/3654-2/
https://usn.ubuntu.com/3656-1/
https://usn.ubuntu.com/3697-1/
https://usn.ubuntu.com/3697-2/
https://usn.ubuntu.com/3698-1/
https://usn.ubuntu.com/3698-2/
https://www.debian.org/security/2018/dsa-4187
https://www.debian.org/security/2018/dsa-4188