CVE-2023-52867: drm/radeon: possible buffer overflow
Vulnerability summary
CVE-2023-52867 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.5% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 14 · Related 13Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/radeon: possible buffer overflow Buffer 'afmt_status' of size 6 could overflow, since index 'afmt_idx' is checked after access.
CVSS metrics
4 scores · 4 sources · 1 version- CVE.orgCNA7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HDiffers
- 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 catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Ubuntu115 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≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < 112d4b02d94bf9fa4f1d3376587878400dd74783 | ≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < caaa74541459c4c9e2c10046cf66ad2890483d0f | ≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < ddc42881f170f1f518496f5a70447501335fc783 | ≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < 7b063c93bece827fde237fae1c101bceeee4e896 | ≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < 347f025a02b3a5d715a0b471fc3b1439c338ad94 | ≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < 341e79f8aec6af6b0061b8171d77b085835c6a58 | ≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < d9b4fa249deaae1145d6fc2b64dae718e5c7a855 | ≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < 19534a7a225f1bf2da70a9a90d41d0215f8f6b45 | ≥ 5cc4e5fc293bfe2634535f544427e8c6061492a5, < dd05484f99d16715a88eedfca363828ef9a4c2d4 | 4.13
- linux_kernel≥ 4.13, < 4.14.330 | ≥ 4.15, < 4.19.299 | ≥ 4.20, < 5.4.261 | ≥ 5.5, < 5.10.201 | ≥ 5.11, < 5.15.139 | ≥ 5.16, < 6.1.63 | ≥ 6.2, < 6.5.12 | ≥ 6.6, < 6.6.2
Debian1 product
- linux< 6.1.64-1 | < 6.6.8-1
3 vendors · 118 products
