CVE-2024-43872

RDMA/hns: Fix soft lockup under heavy CEQE load

MEDIUM
5.5
CVSS Score
Published: August 21, 2024 at 12:06 AM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix soft lockup under heavy CEQE load CEQEs are handled in interrupt handler currently. This may cause the CPU core staying in interrupt context too long and lead to soft lockup under heavy load. Handle CEQEs in BH workqueue and set an upper limit for the number of CEQE handled by a single call of work handler.

Affected

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

4.16 ≤ v < 6.10.34.16 ≤ v < 6.114.16a5073d6054f75d7c94b3354206eec4b804d2fbd4
Vendor states this is fixed in 06580b33c183c9f98e2a2ca96a86137179032c08 (fixed)
Vendor states this is fixed in 2fdf34038369c0a27811e7b4680662a14ada1d6b (fixed)
Vendor states this is fixed in 4.16 (unaffected)
Vendor states this is fixed in 6.10.3 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)

Remediation

No guide yet

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

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/06580b33c183c9f98e2a2ca96a86137179032c08
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2fdf34038369c0a27811e7b4680662a14ada1d6b

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-667

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