CVE-2017-12762
CRITICAL
9.8
CVSS Score
Published: August 9, 2017 at 09:00 PM UTC
Updated: June 17, 2026 at 01:03 AM UTC
2 products affected across 2 vendorsLinux KernelUbuntu Linux
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Severity
CRITICAL9.8
Exploit prediction
EPSS 5%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%3.18 ≤ v < 3.18.643.19 ≤ v ≤ 4.4.804.10 ≤ v ≤ 4.12.54.5 ≤ v ≤ 4.9.41
Affected range stops below 3.18.64, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (7)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/02/11/1Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/02/11/2Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/02/14/4VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/100251x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://patchwork.kernel.org/patch/9880041/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3620-1/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3620-2/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119
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