CVE-2023-52812: drm/amd: check num of link levels when update pcie param
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.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 23-05-2026Last 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- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
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
- linux< 6.1.119-1 | < 6.5.13-1
- debian_linuxEOL11.0
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