Home/CVE/usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occ
CVE

CVE-2020-12464

usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occ

usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference, aka CID-056ad39ee925.

MEDIUM · CVSS 6.7 EPSS 0.00076
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

16
linux kernel< 3.16.85
linux kernel>= 3.17 and < 4.4.221
linux kernel>= 4.5 and < 4.9.221
linux kernel>= 4.10 and < 4.14.178
linux kernel>= 4.15 and < 4.19.119
linux kernel>= 4.20 and < 5.4.36
linux kernel>= 5.5 and < 5.6.8
netapp active iq unified managerall versions
⚠

Public Exploits & PoCs

1
poclkml.org · 23/52lkml.org
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Apr 2020 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

20
rhsaRHSA-2021:1578Moderate
rhsaRHSA-2021:1739Moderate
msrcCVE-2020-12464
suse-csafSUSE-SU-2020:2487-1
suse-csafSUSE-SU-2020:2478-1
🔗

References & Sources

16
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8Release NotesVendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=056ad39ee9253873522f6469c3364964a322912bPatchVendor Advisory
https://github.com/torvalds/linux/commit/056ad39ee9253873522f6469c3364964a322912bPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing ListThird Party Advisory
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