UBUNTU-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.
02 / AFFECTED SOFTWARE
Affected packages
126 explicit affected versions
40 explicit affected versions
62 explicit affected versions
21 explicit affected versions
6 explicit affected versions
5 explicit affected versions
18 explicit affected versions
26 explicit affected versions
3 explicit affected versions
38 explicit affected versions
35 explicit affected versions
26 explicit affected versions
51 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=e785fa0a164aa11001cba931367c7f94ffaff888
- https://marc.info/?l=linux-wireless&m=150525493517953&w=2
- https://marc.info/?t=150525503100001&r=1&w=2
- https://ubuntu.com/security/CVE-2017-12153
- https://ubuntu.com/security/notices/USN-3469-1
- https://ubuntu.com/security/notices/USN-3469-2
- https://ubuntu.com/security/notices/USN-3487-1
- https://ubuntu.com/security/notices/USN-3583-1
- https://ubuntu.com/security/notices/USN-3583-2
- https://www.cve.org/CVERecord?id=CVE-2017-12153