7.8

CVE-2024-46814: linux Improper Validation of Array Index

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2024-46814DEBIAN-CVE-2024-46814
Published 27-09-2024Last modified 11-05-2026

Vulnerability summary

CVE-2024-46814 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 29 · Related 26

Timeline

  1. 27-09-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check msg_id before processing transcation [WHY & HOW] HDCP_MESSAGE_ID_INVALID (-1) is not a valid msg_id nor is it a valid array index, and it needs checking before used. This fixes 4 OVERRUN issues reported by Coverity.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu130 products
  • linuxAll versions (No fix recorded) | < 5.15.0-125.135 | < 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1072.78 | < 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 4c283fdac08abf3211533f70623c90a34f41d08d, < 916083054670060023d3f8a8ace895d710e268f4 | ≥ 4c283fdac08abf3211533f70623c90a34f41d08d, < fe63daf7b10253b0faaa60c55d6153cd276927aa | ≥ 4c283fdac08abf3211533f70623c90a34f41d08d, < 0147505f08220c89b3a9c90eb608191276e263a8 | ≥ 4c283fdac08abf3211533f70623c90a34f41d08d, < cb63090a17d3abb87f132851fa3711281249b7d2 | ≥ 4c283fdac08abf3211533f70623c90a34f41d08d, < 6590643c5de74098d27933b7d224d5ac065d7755 | ≥ 4c283fdac08abf3211533f70623c90a34f41d08d, < fa71face755e27dc44bc296416ebdf2c67163316 | 5.5
  • linux_kernel< 5.10.226 | ≥ 5.11, < 5.15.167 | ≥ 5.16, < 6.1.109 | ≥ 6.2, < 6.6.50 | ≥ 6.7, < 6.10.9
Debian1 product
  • linux< 6.1.112-1 | < 6.10.9-1

3 vendors · 133 products

References

23 links
Show all 23 references