CVE-2017-12762

CRITICAL EPSS 91.5%
Published Aug 9, 20178y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Aug 9, 2017 8y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
91.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel*≥3.18  –  <3.18.64
linuxlinux_kernel*≥3.19  –  ≤4.4.80
linuxlinux_kernel*≥4.5  –  ≤4.9.41
linuxlinux_kernel*≥4.10  –  ≤4.12.5
canonicalubuntu_linux12.04any
canonicalubuntu_linux14.04any

References 7

  • openwall.com http://www.openwall.com/lists/oss-security/2020/02/11/1
    Mailing ListThird Party Advisory
  • openwall.com http://www.openwall.com/lists/oss-security/2020/02/11/2
    Mailing ListThird Party Advisory
  • openwall.com http://www.openwall.com/lists/oss-security/2020/02/14/4
    Mailing ListThird Party Advisory
  • securityfocus.com http://www.securityfocus.com/bid/100251
    Third Party AdvisoryVDB Entry
  • patchwork.kernel.org https://patchwork.kernel.org/patch/9880041/
    PatchVendor Advisory
  • usn.ubuntu.com https://usn.ubuntu.com/3620-1/
    Third Party Advisory
  • usn.ubuntu.com https://usn.ubuntu.com/3620-2/
    Third Party Advisory

Remediation