ALSA: usx2y: Don't call free_pages_exact() with NULL address (Linux Linux)

CVE-2021-47332
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.24 % · percentile 15 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.

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 36b8defc447627c3e91058c43941ec15d827556e < 88262229b778f4f7a896da828d966f94dcb35d19 ; affected 36b8defc447627c3e91058c43941ec15d827556e < 7d7f30cf182e55023fa8fde4c084b2d37c6be69d ; affected 36b8defc447627c3e91058c43941ec15d827556e < bee295f5e03510252d18b25cc1d26230256eb87a ; affected 36b8defc447627c3e91058c43941ec15d827556e < 82e5ee742fdd8874fe996181b87fafe1eb5f1196 ; affected 36b8defc447627c3e91058c43941ec15d827556e < cae0cf651adccee2c3f376e78f30fbd788d0829f
Linux · Linuxaffected 5.2 ; unaffected 0 < 5.2 ; unaffected 5.4.134 ≤ 5.4.* ; unaffected 5.10.52 ≤ 5.10.* ; unaffected 5.12.19 ≤ 5.12.* ; unaffected 5.13.4 ≤ 5.13.*

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