Vulnerability Details : CVE-2021-38207
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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2021-38207
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38207
1.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38207
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-38207
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-38207
-
https://github.com/torvalds/linux/commit/c364df2489b8ef2f5e3159b1dff1ff1fdb16040d
net: ll_temac: Fix TX BD buffer overwrite · torvalds/linux@c364df2 · GitHubPatch;Third Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13
Mailing List;Patch;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20210902-0007/
CVE-2021-38207 Linux Kernel Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
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