7.8

CVE-2023-52812: drm/amd: check num of link levels when update pcie param

Analyzed
AliasesUBUNTU-CVE-2023-52812DEBIAN-CVE-2023-52812
Published 21-05-2024Last modified 23-05-2026

Vulnerability summary

CVE-2023-52812 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in debian debian_linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.26%
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 10 · Related 8

Timeline

  1. 21-05-2024
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd: check num of link levels when update pcie param In SR-IOV environment, the value of pcie_table->num_of_link_levels will be 0, and num_of_levels - 1 will cause array index out of bounds

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% 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.

Ubuntu77 products
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
  • linux-aws-5.19All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ bd8cd38d3ac6b6410ac4e7401ef3dca057a9b285, < 2f2d48b6247ae3001f83c98730b3cce475cb2927 | ≥ 31c7a3b378a136adc63296a2ff17645896fcf303, < 5b4574b663d0a1a0a62d5232429b7db9ae6d0670 | ≥ 31c7a3b378a136adc63296a2ff17645896fcf303, < 09f617219fe9ccd8d7b65dc3e879b5889f663b5a | ≥ 31c7a3b378a136adc63296a2ff17645896fcf303, < 406e8845356d18bdf3d3a23b347faf67706472ec | a924e0fa77d0ce382346b7b4c8419cb47189fb58 | ≥ 6.1.40, < 6.1.119 | ≥ 6.4.5, < 6.5 | 6.5
  • linux_kernel≥ 5.19, < 6.1.119 | ≥ 6.2, < 6.5.13 | ≥ 6.6, < 6.6.3

3 vendors · 81 products

References

9 links