CVE-2024-46730: drm/amd/display: Ensure array index tg_inst won't be -1
Vulnerability summary
CVE-2024-46730 is a high (CVSS 7.8) Integer Underflow (Wrap or Wraparound) vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.8% 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 14 · Related 14Timeline
- 18-09-2024PublishedVulnerability first disclosed.
- 30-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Ensure array index tg_inst won't be -1 [WHY & HOW] tg_inst will be a negative if timing_generator_count equals 0, which should be checked before used. This fixes 2 OVERRUN issues reported by Coverity.
CVSS metrics
4 scores · 4 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 · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.23% 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.
Ubuntu129 products
- linuxAll versions (No fix recorded) | < 6.8.0-50.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1020.22
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 1de84b6d65a7df30b5edc7208f828c4ecc8a7154 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 15403445b873a4ce45b2d4ecfb5928a025297282 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < a64284b9e1999ad5580debced4bc6d6adb28aad4 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 687fe329f18ab0ab0496b20ed2cb003d4879d931 | 4.15
- linux_kernel< 6.10.9
Debian1 product
- linuxAll versions (No fix recorded) | < 6.10.9-1
3 vendors · 132 products