7.8

CVE-2024-38542: RDMA/mana_ib: boundary check before installing cq callbacks

Modified
AliasesUBUNTU-CVE-2024-38542DEBIAN-CVE-2024-38542
Published 19-06-2024Last modified 05-08-2026

Vulnerability summary

CVE-2024-38542 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 16% 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
0.25%
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 12 · Related 12
SUSE-SU-2026:1041-1SUSE-SU-2026:1573-1SUSE-SU-2026:21114-1SUSE-SU-2026:21123-1SUSE-SU-2026:21255-1SUSE-SU-2026:3595-1

Timeline

  1. 19-06-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana_ib: boundary check before installing cq callbacks Add a boundary check inside mana_ib_install_cq_cb to prevent index overflow.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% 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.

Ubuntu82 products
  • linux< 6.8.0-40.40
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1013.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ cf9cc859d6ff37ce52c09dfbb169b9ee25595a3f, < f12afddfb142587d786df9e3cc4862190d3e2ec8 | ≥ 2a31c5a7e0d87959a03e846523013c75f4395a91, < 168f6fbde0eabd71d1f4133df7d001a950b96977 | ≥ 2a31c5a7e0d87959a03e846523013c75f4395a91, < f79edef79b6a2161f4124112f9b0c46891bb0b74 | ≥ 6.8.2, < 6.8.12 | 6.9
  • linux_kernel≥ 6.8.2, < 6.8.12 | ≥ 6.9, < 6.9.3
Debian1 product
  • linux< 6.8.12-1

3 vendors · 85 products

References

12 links
Show all 12 references