Buffer overflow in Linux Kernel
CVE-2017-12762
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.052 (92.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.052 · newest: 0.052 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 12.04, 14.04
Weakness classification (CWE)
References
- usn.ubuntu.com/3620-2/ (vendor-advisory, Third Party Advisory)
- patchwork.kernel.org/patch/9880041/ (Patch, Vendor Advisory)
- www.securityfocus.com/bid/100251 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3620-1/ (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/02/11/1 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/02/11/2 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/02/14/4 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-12762?
- CVE-2017-12762 is a critical-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-08-09.
- How severe is CVE-2017-12762?
- Critical severity. CVSS v3 base score is 9.8 out of 10.