Vulnerability · Published Aug 8, 2021 · Assigned by mitre
CVE-2021-38204
Medium 6.8
In plain English
A medium-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.8Medium
Exploit odds (30 days)0.3%top 73.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.14.6-1 | DEBIAN-CVE-2021-38204 |
| Debian:13 | linux | 5.14.6-1 | DEBIAN-CVE-2021-38204 |
| Debian:14 | linux | 5.14.6-1 | DEBIAN-CVE-2021-38204 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2021-38204 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2021-38204 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2021-38204 |
Affected products (as reported)
References
- https://github.com/torvalds/linux/commit/b5fdf5c6e6bee35837e160c00ac89327bdad031b x_refsource_MISC
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6 x_refsource_MISC
- [debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update mailing-list, x_refsource_MLIST