block: fix memory leak in disk_register_independent_access_ranges (Linux Linux)

CVE-2022-48753
MEDIUM 5.3

At a glance

Source
NVD
EPSS
EPSS 0.18 % · percentile 8 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: block: fix memory leak in disk_register_independent_access_ranges kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add() If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix this issue by adding kobject_put(). Callback function blk_ia_ranges_sysfs_release() in kobject_put() can handle the pointer "iars" properly.

Weaknesses (CWE)

  • CWE-401 — Missing Release of Memory after Effective Lifetime

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LCISA-ADP
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)
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected a2247f19ee1c5ad75ef095cdfb909a3244b88aa8 < fe4214a07e0b53d2af711f57519e33739c5df23f ; affected a2247f19ee1c5ad75ef095cdfb909a3244b88aa8 < 83114df32ae779df57e0af99a8ba6c3968b2ba3d
Linux · Linuxaffected 5.16 ; unaffected 0 < 5.16 ; unaffected 5.16.5 ≤ 5.16.* ; unaffected 5.17 ≤ *

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