Vulnerability Details : CVE-2021-47148
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: fix a buffer overflow in otx2_set_rxfh_context()
This function is called from ethtool_set_rxfh() and "*rss_context"
comes from the user. Add some bounds checking to prevent memory
corruption.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-47148
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47148
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47148
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | 2024-12-12 |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
N/A
|
N/A
|
RedHat-CVE-2021-47148 | 2024-03-25 |
CWE ids for CVE-2021-47148
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47148
-
https://git.kernel.org/stable/c/e5cc361e21648b75f935f9571d4003aaee480214
octeontx2-pf: fix a buffer overflow in otx2_set_rxfh_context() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/389146bc6d2bbb20714d06624b74856320ce40f7
octeontx2-pf: fix a buffer overflow in otx2_set_rxfh_context() - kernel/git/stable/linux.git - Linux kernel stable treePatch
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