A security flaw was discovered in the nl80211_set_rekey_data() function in net/wireless/nl80211.c in the Linux kernel through 4.13.3. This function does not check whether the required attributes are present in a Netlink request. This request can be issued by a user with the CAP_NET_ADMIN capability and may result in a NULL pointer dereference and system crash.
| Date Added | Due Date | Vulnerability Name | Required Action |
|---|---|---|---|
| N/A |
| Type | Version | Base score | Base severity | Vector |
|---|---|---|---|---|
| Primary | 3.0 | 4.4 | MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| Primary | 2.0 | 4.9 | MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
| Hyperlink | Source | Resource |
|---|---|---|
| http://seclists.org/oss-sec/2017/q3/437 | secalert@redhat.com | Mailing List Patch Third Party Advisory |
| http://www.debian.org/security/2017/dsa-3981 | secalert@redhat.com | Third Party Advisory |
| http://www.securityfocus.com/bid/100855 | secalert@redhat.com | Third Party Advisory VDB Entry |
| https://bugzilla.novell.com/show_bug.cgi?id=1058410 | secalert@redhat.com | Issue Tracking Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1491046 | secalert@redhat.com | Issue Tracking Patch Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=e785fa0a164aa11001cba931367c7f94ffaff888 | secalert@redhat.com | Issue Tracking Patch Third Party Advisory |
| https://marc.info/?t=150525503100001&r=1&w=2 | secalert@redhat.com | Patch Third Party Advisory |
| https://usn.ubuntu.com/3583-1/ | secalert@redhat.com | Third Party Advisory |
| https://usn.ubuntu.com/3583-2/ | secalert@redhat.com | Third Party Advisory |
| http://seclists.org/oss-sec/2017/q3/437 | af854a3a-2127-422b-91ae-364da2661108 | Mailing List Patch Third Party Advisory |
| http://www.debian.org/security/2017/dsa-3981 | af854a3a-2127-422b-91ae-364da2661108 | Third Party Advisory |
| http://www.securityfocus.com/bid/100855 | af854a3a-2127-422b-91ae-364da2661108 | Third Party Advisory VDB Entry |
| https://bugzilla.novell.com/show_bug.cgi?id=1058410 | af854a3a-2127-422b-91ae-364da2661108 | Issue Tracking Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1491046 | af854a3a-2127-422b-91ae-364da2661108 | Issue Tracking Patch Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=e785fa0a164aa11001cba931367c7f94ffaff888 | af854a3a-2127-422b-91ae-364da2661108 | Issue Tracking Patch Third Party Advisory |
| https://marc.info/?t=150525503100001&r=1&w=2 | af854a3a-2127-422b-91ae-364da2661108 | Patch Third Party Advisory |
| https://usn.ubuntu.com/3583-1/ | af854a3a-2127-422b-91ae-364da2661108 | Third Party Advisory |
| https://usn.ubuntu.com/3583-2/ | af854a3a-2127-422b-91ae-364da2661108 | Third Party Advisory |