CVE-2018-20961

CRITICAL EPSS 92.8%
Published Aug 7, 20196y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Aug 7, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to cause a denial of service or possibly have unspecified other impact.

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
92.8% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-415

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥4.4  –  <4.4.190
linuxlinux_kernel*≥4.5  –  <4.9.96
linuxlinux_kernel*≥4.10  –  <4.14.36
linuxlinux_kernel*≥4.15.0  –  <4.16.4

References 10

  • packetstormsecurity.com http://packetstormsecurity.com/files/154228/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
    Third Party AdvisoryVDB Entry
  • packetstormsecurity.com http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
    Third Party AdvisoryVDB Entry
  • cdn.kernel.org https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4
    Release NotesVendor Advisory
  • git.kernel.org https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7fafcfdf6377b18b2a726ea554d6e593ba44349f
    ExploitMailing ListVendor Advisory
  • github.com https://github.com/torvalds/linux/commit/7fafcfdf6377b18b2a726ea554d6e593ba44349f
    PatchThird Party Advisory
  • seclists.org https://seclists.org/bugtraq/2019/Aug/48
    Mailing ListThird Party Advisory
  • security.netapp.com https://security.netapp.com/advisory/ntap-20190905-0002/
    Third Party Advisory
  • support.f5.com https://support.f5.com/csp/article/K58502654
    Third Party Advisory
  • support.f5.com https://support.f5.com/csp/article/K58502654?utm_source=f5support&amp%3Butm_medium=RSS
  • usn.ubuntu.com https://usn.ubuntu.com/4145-1/
    Third Party Advisory

Remediation

  • github.com https://github.com/torvalds/linux/commit/7fafcfdf6377b18b2a726ea554d6e593ba44349f
    PatchThird Party Advisory