CVE-2017-11600
net/xfrm/xfrm_policy.c in the Linux kernel through 4.12.3, when CONFIG_XFRM_MIGRATE is enabled, does not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allows local users to cause a denial of service (out-of-bounds…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
net/xfrm/xfrm_policy.c in the Linux kernel through 4.12.3, when CONFIG_XFRM_MIGRATE is enabled, does not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allows local users to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via an XFRM_MSG_MIGRATE xfrm Netlink message.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.41% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlMailing List, Third Party Advisory
- http://seclists.org/bugtraq/2017/Jul/30Mailing List, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3981Third Party Advisory
- http://www.securityfocus.com/bid/99928Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:1965Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2003Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1170Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1190Third Party Advisory
- https://source.android.com/security/bulletin/pixel/2017-11-01Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlMailing List, Third Party Advisory
- http://seclists.org/bugtraq/2017/Jul/30Mailing List, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3981Third Party Advisory
- http://www.securityfocus.com/bid/99928Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:1965Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2003Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1170Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1190Third Party Advisory
- https://source.android.com/security/bulletin/pixel/2017-11-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.