6.6

CVE-2023-52819: drm/amd: Fix UBSAN array-index-out-of-bounds for Polaris and Tonga

Analyzed
AliasesUBUNTU-CVE-2023-52819DEBIAN-CVE-2023-52819
Published 21-05-2024Last modified 11-05-2026

Vulnerability summary

CVE-2023-52819 is a medium (CVSS 6.6) Improper Validation of Array Index vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.6, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.6/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 14 · Related 13
RHSA-2024:9315SUSE-SU-2024:2008-1SUSE-SU-2024:2011-1SUSE-SU-2024:2019-1SUSE-SU-2024:2189-1SUSE-SU-2024:2190-1

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 Polaris and Tonga For pptable structs that use flexible array sizes, use flexible arrays.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu117 products
  • linuxAll versions (No fix recorded) | < 5.4.0-173.191 | < 5.15.0-100.110
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 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, < 60a00dfc7c5deafd1dd393beaf53224f7256dad6 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < a63fd579e7b1c3a9ebd6e6c494d49b1b6cf5515e | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < d50a56749e5afdc63491b88f5153c1aae00d4679 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < 8c1dbddbfcb051e82cea0c197c620f9dcdc38e92 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < a237675aa1e62bbfaa341c535331c8656a508fa1 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < d0725232da777840703f5f1e22f2e3081d712aa4 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < 7c68283f3166221af3df5791f0e13d3137a72216 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < b3b8b7c040cf069da7afe11c5bd73b870b8f3d18 | ≥ c82baa28184356a75c0157129f88af42b2e7b695, < 0f0e59075b5c22f1e871fbd508d6e4f495048356 | 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 · 120 products

References

13 links
Show all 13 references