7.8

CVE-2024-46730: drm/amd/display: Ensure array index tg_inst won't be -1

Modified
AliasesUBUNTU-CVE-2024-46730DEBIAN-CVE-2024-46730
Published 18-09-2024Last modified 30-10-2026

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.

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 (CVE.org)
EPSS score
0.23%
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 14

Timeline

  1. 18-09-2024
    PublishedVulnerability first disclosed.
  2. 30-10-2026
    Last 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

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

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.

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

References

13 links
Show all 13 references