CVE-2021-38204 — Use After Free in Kernel

CWE-416 — Use After Free32 documents9 sources
Severity
6.8MEDIUMNVD
OSV8.7OSV7.8OSV6.5OSV5.5OSV5.4OSV4.7
EPSS
0.1%
top 79.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Linux KernelDebian LinuxDebian Linux+3 more
Timeline
PublishedAug 8
Latest updateMar 14

Description

drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations.

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 0.9 | Impact: 5.9

Affected Packages7 packages

▶NVDlinux/linux_kernel< 5.13.6
▶Debianlinux/linux_kernel< 5.10.70-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-159.167+3
▶debiandebian/linux< linux 5.14.6-1 (bookworm)

Also affects: Debian Linux 9.0

Patches

Patch: cdn.kernel.org ↗Patch: github.com ↗Patch: cdn.kernel.org ↗

🔴Vulnerability Details

15
GHSA
GHSA-m2xj-w4x7-vj3m: drivers/usb/host/max3421-hcd↗2022-05-24
▶
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2022-03-22
▶
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2022-02-22
▶
OSV
CVE-2021-38204: In max3421_set_address and related functions of max3421-hcd↗2021-12-01
▶
OSV
linux-oem-5.10 vulnerabilities↗2021-10-20
▶

📋Vendor Advisories

16
CISA ICS
Siemens SIMATIC↗2024-03-14
▶
Ubuntu
Linux kernel vulnerabilities↗2022-03-22
▶
Ubuntu
Linux kernel vulnerabilities↗2022-02-22
▶
Android
CVE-2021-38204: USB↗2021-12-01
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2021-10-20
▶
CVE-2021-38204 — Use After Free in Linux Kernel | cvebase