A flaw was found in the Linux kernel's implementation of XFS file attributes. Two memory leaks were detected in xfs_attr_shortform_list and xfs_attr3_leaf_list_int when running a docker container backed by xfs/overlay2. A dedicated attacker could possible exhaust all memory and create a denial of service situation.
Find out more about CVE-2016-9685 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6 and 7. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
| Base Score | 2.1 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
| CVSS3 Base Score | 3.8 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Changed |
| Confidentiality | Low |
| Integrity Impact | None |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (kernel) | RHSA-2017:1842 | 2017-08-01 |
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2017:2669 | 2017-09-06 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) | RHSA-2017:2077 | 2017-08-01 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Will not fix |
| Red Hat Enterprise Linux 5 | kernel | Will not fix |
Vulmon