Vulnerability · Published Aug 8, 2021 · Assigned by mitre
CVE-2021-38207
High 7.5
In plain English
A high-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 3.4% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)3.4%top 11.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
drivers/net/ethernet/xilinx/ll_temac_main.c in the Linux kernel before 5.12.13 allows remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.10.46-1 | DEBIAN-CVE-2021-38207 |
| Debian:13 | linux | 5.10.46-1 | DEBIAN-CVE-2021-38207 |
| Debian:14 | linux | 5.10.46-1 | DEBIAN-CVE-2021-38207 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2021-38207 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2021-38207 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2021-38207 |
Affected products (as reported)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13 x_refsource_MISC
- https://github.com/torvalds/linux/commit/c364df2489b8ef2f5e3159b1dff1ff1fdb16040d x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210902-0007/ x_refsource_CONFIRM