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CVE-2018-20961

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.4 < 4.4.190
Linux ≫ Linux Kernel Version >= 4.5 < 4.9.96
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.36
Linux ≫ Linux Kernel Version >= 4.15.0 < 4.16.4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 6.34% 0.927
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 10 10 10
AV:N/AC:L/Au:N/C:C/I:C/A:C
CWE-415 Double Free

The product calls free() twice on the same memory address.

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