scsi: lpfc: Fix call trace observed during I/O with CMF enabled (Linux Linux)

CVE-2022-49537
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.27 % · percentile 19 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix call trace observed during I/O with CMF enabled The following was seen with CMF enabled: BUG: using smp_processor_id() in preemptible code: systemd-udevd/31711 kernel: caller is lpfc_update_cmf_cmd+0x214/0x420 [lpfc] kernel: CPU: 12 PID: 31711 Comm: systemd-udevd kernel: Call Trace: kernel: <TASK> kernel: dump_stack_lvl+0x44/0x57 kernel: check_preemption_disabled+0xbf/0xe0 kernel: lpfc_update_cmf_cmd+0x214/0x420 [lpfc] kernel: lpfc_nvme_fcp_io_submit+0x23b4/0x4df0 [lpfc] this_cpu_ptr() calls smp_processor_id() in a preemptible context. Fix by using per_cpu_ptr() with raw_smp_processor_id() instead.

References

Scores

VersionScoreVectorScored by
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 02243836ad6f384284f10302e6b820b893960d1c < ae373d66c427812754db5292eb1481b181daf9ce ; affected 02243836ad6f384284f10302e6b820b893960d1c < cd7f899de4b1b829125d72ee6fbfd878b637b815 ; affected 02243836ad6f384284f10302e6b820b893960d1c < 517e0835cfb2007713ff16c4fb8479f08b16aec7 ; affected 02243836ad6f384284f10302e6b820b893960d1c < d6d45f67a11136cb88a70a29ab22ea6db8ae6bd5
Linux · Linuxaffected 5.15 ; unaffected 0 < 5.15 ; unaffected 5.15.46 ≤ 5.15.* ; unaffected 5.17.14 ≤ 5.17.* ; unaffected 5.18.3 ≤ 5.18.* ; unaffected 5.19 ≤ *

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