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CVE-2021-47148

octeontx2-pf: fix a buffer overflow in otx2_set_rxfh_context()

High7.8EPSS 0.24%
Published
Updated
Reserved
Assigned by
Linux

Description

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.

Scores

CVSS scores of CVE-2021-47148, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.24% · top 85% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

Affected products

  • Linux · Linux

    • affected 81a4362016e7d8b17031fe1aa43cdb58a7f0f163 – < 389146bc6d2bbb20714d06624b74856320ce40f7
    • affected 81a4362016e7d8b17031fe1aa43cdb58a7f0f163 – < e5cc361e21648b75f935f9571d4003aaee480214

  • Linux · Linux

    • affected 5.12
    • unaffected < 5.12
    • unaffected 5.12.9 – ≤ 5.12.*
    • unaffected 5.13 – ≤ *

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .