What’s Vulnerable › Vulnerabilities

CVE-2021-38207

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-08 · updated 2026-06-17
• Weakness: CWE-120

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 products

• Linux kernel: before 5.12.13 — fixed in 5.12.13

How to fix

Upgrade to a fixed version: Linux kernel 5.12.13. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13
• https://github.com/torvalds/linux/commit/c364df2489b8ef2f5e3159b1dff1ff1fdb16040d
• https://security.netapp.com/advisory/ntap-20210902-0007/
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13
• https://github.com/torvalds/linux/commit/c364df2489b8ef2f5e3159b1dff1ff1fdb16040d
• https://security.netapp.com/advisory/ntap-20210902-0007/

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