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CVE-2021-47398RDMA/hfi1: Fix kernel pointer leak

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Fix kernel pointer leak Pointers should be printed with %p or %px rather than cast to 'unsigned long long' and printed with %llx. Change %llx to %p to print the secured pointer.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 24 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2021-47398, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.21% · top 89% of all CVEs (13 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: Medium 5.5.

Affected products

  • Linux · Linux

    • affected 042a00f93aad5874937e00f36e68301f7e3a0af1 – < 714bfabe5f2901d96902e271d7217601fe4703e5
    • affected 042a00f93aad5874937e00f36e68301f7e3a0af1 – < 7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98

  • Linux · Linux

    • affected 5.13
    • unaffected < 5.13
    • unaffected 5.14.10 – ≤ 5.14.*
    • unaffected 5.15 – ≤ *

References

References2

Sources

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

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Record last updated .