dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset (Linux Linux)

CVE-2024-56767
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.22 % · percentile 12 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which will lead to a null pointer dereference. For example, the len input is error, or the atchan->free_descs_list is empty and memory is exhausted. Therefore, add check to avoid this.

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 b206d9a23ac71cb905f5fb6e0cd813406f89b678 < 3d229600c54e9e0909080ecaf1aab0642aefa5f0 ; affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 < ed1a8aaa344522c0c349ac9042db27ad130ef913 ; affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 < 8d364597de9ce2a5f52714224bfe6c2e7a29b303 ; affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 < fdba6d5e455388377ec7e82a5913ddfcc7edd93b ; affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 < e658f1c133b854b2ae799147301d82dddb8f3162 ; affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 < 54376d8d26596f98ed7432a788314bb9154bf3e3
Linux · Linuxaffected 4.2 ; unaffected 0 < 4.2 ; unaffected 5.4.289 ≤ 5.4.* ; unaffected 5.10.233 ≤ 5.10.* ; unaffected 5.15.176 ≤ 5.15.* ; unaffected 6.1.123 ≤ 6.1.*

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