CVE-2017-12762
CRITICAL severity · CVSS 9.8 · Memory corruption
9.8CVSS CRITICAL
Summary
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)5%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://patchwork.kernel.org/patch/9880041/ ↗
Additional information
- NVD record
- https://patchwork.kernel.org/patch/9880041/Patch
- http://www.openwall.com/lists/oss-security/2020/02/11/1Advisory
- http://www.openwall.com/lists/oss-security/2020/02/11/2Advisory
- http://www.openwall.com/lists/oss-security/2020/02/14/4Advisory
- http://www.securityfocus.com/bid/100251Advisory
- https://usn.ubuntu.com/3620-1/Advisory
- https://usn.ubuntu.com/3620-2/Advisory