CVE-2017-12153
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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 4.13.3.x |
| debian / debian_linux | 8.0 | 8.0.x |
| debian / debian_linux | 9.0 | 9.0.x |
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| canonical / ubuntu_linux | 12.04 | 12.04.x |
- http://seclists.org/oss-sec/2017/q3/437
- http://www.debian.org/security/2017/dsa-3981
- http://www.securityfocus.com/bid/100855
- https://bugzilla.novell.com/show_bug.cgi?id=1058410
- https://bugzilla.redhat.com/show_bug.cgi?id=1491046
- https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=e785fa0a164aa11001cba931367c7f94ffaff888
- https://marc.info/?t=150525503100001&r=1&w=2
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/
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