7.8

CVE-2023-52818: linux Improper Validation of Array Index

CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2023-52818DEBIAN-CVE-2023-52818
Published 21-05-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2023-52818 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 19 · Related 19
SUSE-SU-2024:2008-1SUSE-SU-2024:2011-1SUSE-SU-2024:2019-1SUSE-SU-2024:2189-1SUSE-SU-2024:2190-1SUSE-SU-2024:2493-1

Timeline

  1. 21-05-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7 For pptable structs that use flexible array sizes, use flexible arrays.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

0.00 pp

From 0.26% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu116 products
  • linux< 4.4.0-266.300 | < 4.15.0-235.247 | < 5.4.0-173.191 | < 5.15.0-100.110
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1141.147 | < 4.4.0-1179.194 | < 4.15.0-1178.191 | < 5.4.0-1120.130 | < 5.15.0-1056.61
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ c82baa28184356a75c0157129f88af42b2e7b695, < e52e324a21341c97350d5f11de14721c1c609498 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < cfd8cd907fd94538561479a43aea455f5cf16928 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < c847379a5d00078ad6fcb1c24230e72c5609342f | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < 8af28ae3acb736ada4ce3457662fa446cc913bb4 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < acdb6830de02cf2873aeaccdf2d9bca4aee50e47 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < fc9ac0e8e0bcb3740c6eaad3a1a50c20016d422b | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < 6dffdddfca818c02a42b6caa1d9845995f0a1f94 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < 92a775e7c9707aed28782bafe636bf87675f5a97 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < 760efbca74a405dc439a013a5efaa9fadc95a8c3 | 4.5
  • linux_kernel< 4.14.331 | ≥ 4.15, < 4.19.300 | ≥ 4.20, < 5.4.262 | ≥ 5.5, < 5.10.202 | ≥ 5.11, < 5.15.140 | ≥ 5.16, < 6.1.64 | ≥ 6.2, < 6.5.13 | ≥ 6.6, < 6.6.3
Debian1 product
  • linux< 6.1.64-1 | < 6.6.8-1

3 vendors · 119 products

References

19 links
Show all 19 references