drm/vkms: Avoid reading beyond LUT array (Linux Linux)

CVE-2023-52649
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.28 % · percentile 20 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Avoid reading beyond LUT array When the floor LUT index (drm_fixp2int(lut_index) is the last index of the array the ceil LUT index will point to an entry beyond the array. Make sure we guard against it and use the value of the floor LUT index. v3: - Drop bits from commit description that didn't contribute anything of value

Weaknesses (CWE)

  • CWE-129 — Improper Validation of Array Index

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected db1f254f2cfaf0510ae34fa2311a8d749e95179a < 9556c167673057d48ce4a0da675026fe046654c1 ; affected db1f254f2cfaf0510ae34fa2311a8d749e95179a < 046c1184ce60b0a37d48134f17ddbc1f32ce02bd ; affected db1f254f2cfaf0510ae34fa2311a8d749e95179a < 92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d ; affected db1f254f2cfaf0510ae34fa2311a8d749e95179a < 2fee84030d12d9fddfa874e4562d71761a129277
Linux · Linuxaffected 6.6 ; unaffected 0 < 6.6 ; unaffected 6.6.23 ≤ 6.6.* ; unaffected 6.7.11 ≤ 6.7.* ; unaffected 6.8.2 ≤ 6.8.* ; unaffected 6.9 ≤ *

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