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CVE-2021-47398

RDMA/hfi1: Fix kernel pointer leak

MEDIUM
5.5
CVSS Score
Published: May 21, 2024 at 03:03 PM UTC
Updated: June 17, 2026 at 04:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.13 ≤ v < 5.14.105.13 ≤ v < 5.1542a0f93aad5874937e0f36e68301f7e3a0af15.135.15 rc15.15 rc25.15 rc3
Vendor states this is fixed in 714bfabe5f2901d96902e271d7217601fe4703e5 (fixed)
Vendor states this is fixed in 7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98 (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.14.10 (unaffected)
Vendor states this is fixed in 5.15 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/714bfabe5f2901d96902e271d7217601fe4703e5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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