RDMA/hns: Fix soft lockup under heavy CEQE load (Linux Linux)

CVE-2024-43872
HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 0.39 % · percentile 33 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

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.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HLinux
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected a5073d6054f75d7c94b3354206eec4b804d2fbd4 < 97740304c953ac43aebd24678ae999fe0bc9decf ; affected a5073d6054f75d7c94b3354206eec4b804d2fbd4 < 06580b33c183c9f98e2a2ca96a86137179032c08 ; affected a5073d6054f75d7c94b3354206eec4b804d2fbd4 < 2fdf34038369c0a27811e7b4680662a14ada1d6b
Linux · Linuxaffected 4.16 ; unaffected 0 < 4.16 ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.10.3 ≤ 6.10.* ; unaffected 6.11 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD