CVE-2017-12762
critical
CVSS v3
9.8
CVSS v2
10.0
VIR risk
9.8
Description
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-12762
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-12762.html
Vendor advisory: cve@mitre.org — https://patchwork.kernel.org/patch/9880041/
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.13.4-1 |
| debian | bullseye | fixed | 4.13.4-1 |
| debian | forky | fixed | 4.13.4-1 |
| debian | sid | fixed | 4.13.4-1 |
| debian | trixie | fixed | 4.13.4-1 |
| linux-kernel | affected | 3.18.64 | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
References
- http://www.openwall.com/lists/oss-security/2020/02/11/1
- http://www.openwall.com/lists/oss-security/2020/02/11/2
- http://www.openwall.com/lists/oss-security/2020/02/14/4
- http://www.securityfocus.com/bid/100251
- https://patchwork.kernel.org/patch/9880041/
- https://usn.ubuntu.com/3620-1/
- https://usn.ubuntu.com/3620-2/
- https://www.suse.com/security/cve/CVE-2017-12762.html
- https://security-tracker.debian.org/tracker/CVE-2017-12762
CWEs
CWE-119
Verify integrity in audit chain (admin only). AS-IS.