5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
8.5%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 16.04 | noarch | linux | < 4.4.0-116.140 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1014.14 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1052.61 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-kvm | < 4.4.0-1019.24 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-lts-xenial | < 4.4.0-116.140~14.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-raspi2 | < 4.4.0-1085.93 | UNKNOWN |
ubuntu | 17.10 | noarch | linux-snapdragon | < 4.4.0-1088.93 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-snapdragon | < 4.15.0-1053.57 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-snapdragon | < 4.4.0-1087.92 | UNKNOWN |
seclists.org/oss-sec/2016/q3/378
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8952
launchpad.net/bugs/cve/CVE-2015-8952
lwn.net/Articles/668718/
nvd.nist.gov/vuln/detail/CVE-2015-8952
security-tracker.debian.org/tracker/CVE-2015-8952
ubuntu.com/security/notices/USN-3582-1
ubuntu.com/security/notices/USN-3582-2
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
8.5%