scsi: lpfc: Fix a possible null pointer dereference (Linux Linux)

CVE-2024-43821
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.22 % · percentile 13 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix a possible null pointer dereference In function lpfc_xcvr_data_show, the memory allocation with kmalloc might fail, thereby making rdp_context a null pointer. In the following context and functions that use this pointer, there are dereferencing operations, leading to null pointer dereference. To fix this issue, a null pointer check should be added. If it is null, use scnprintf to notify the user and return len.

Weaknesses (CWE)

  • CWE-476 — NULL Pointer Dereference

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 479b0917e4477f49df2e3be454aac3cfa5dec171 < 57600a7dd2b52c904f7c8d2cac0fd8c23868e680 ; affected 479b0917e4477f49df2e3be454aac3cfa5dec171 < 45b2a23e00d448a9e6d1f371ca3a4d4b073fe78c ; affected 479b0917e4477f49df2e3be454aac3cfa5dec171 < 5e0bf3e8aec2cbc51123f84b29aaacbd91fc56fa
Linux · Linuxaffected 6.2 ; unaffected 0 < 6.2 ; unaffected 6.6.44 ≤ 6.6.* ; 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