CVE-2019-16746
An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow.
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In multiple methods, there is a possible out of bounds read due to a missing bounds check during initial processing of a beacon packet. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow.
05 / REFERENCES
Further evidence
- https://android.googlesource.com/kernel/common/+/f88eb7c0d002
- https://source.android.com/security/bulletin/2020-08-01
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/
- https://marc.info/?l=linux-wireless&m=156901391225058&w=2
- https://seclists.org/bugtraq/2019/Nov/11
- https://security.netapp.com/advisory/ntap-20191031-0005/
- https://usn.ubuntu.com/4183-1/
- https://usn.ubuntu.com/4186-1/
- https://usn.ubuntu.com/4209-1/
- https://usn.ubuntu.com/4210-1/
- https://www.oracle.com/security-alerts/cpuApr2021.html