CVE-2020-12464 — Use After Free in Kernel

CWE-416 — Use After Free16 documents10 sources
Severity
6.7MEDIUMNVD
EPSS
0.1%
top 77.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linux KernelNetapp HCI Baseboard Management Controller
Timeline
PublishedApr 29
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages3 packages

▶NVDlinux/linux_kernel3.17 — 4.4.221+6
▶Debianlinux/linux_kernel< 5.6.14-1+3

Patches

Patch: git.kernel.org ↗Patch: github.com ↗Patch: patchwork.kernel.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-jx8c-mxmr-fc68: usb_sg_cancel in drivers/usb/core/message↗2022-05-24
▶
OSV
CVE-2020-12464: In usb_sg_cancel of message↗2020-08-01
▶
OSV
CVE-2020-12464: usb_sg_cancel in drivers/usb/core/message↗2020-04-29
▶
CVEList
CVE-2020-12464: usb_sg_cancel in drivers/usb/core/message↗2020-04-29
▶

📋Vendor Advisories

9
Android
CVE-2020-12464: Linux USB Subsystem↗2020-08-01
▶
Ubuntu
Linux kernel vulnerabilities↗2020-06-11
▶
Ubuntu
Linux kernel vulnerabilities↗2020-06-11
▶
Ubuntu
Linux kernel vulnerabilities↗2020-06-10
▶
Ubuntu
Linux kernel vulnerabilities↗2020-06-10
▶

💬Community

2
Bugzilla
CVE-2020-12464 kernel: use-after-free in usb_sg_cancel function in drivers/usb/core/message.c [fedora-all]↗2020-05-05
▶
Bugzilla
CVE-2020-12464 kernel: use-after-free in usb_sg_cancel function in drivers/usb/core/message.c↗2020-05-05
▶
CVE-2020-12464 — Use After Free in Linux Kernel | cvebase