5.5

CVE-2024-27025: nbd: null check for nla_nest_start

Modified
AliasesUBUNTU-CVE-2024-27025DEBIAN-CVE-2024-27025
Published 01-05-2024Last modified 15-10-2026

Vulnerability summary

CVE-2024-27025 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.29%
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 17 · Related 11
DLA-3842-1DSA-5681-1RHSA-2024:5101RHSA-2024:5102RHSA-2024:9315RHSA-2025:11810

Timeline

  1. 01-05-2024
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: nbd: null check for nla_nest_start nla_nest_start() may fail and return NULL. Insert a check and set errno based on other call sites within the same source code.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.29% 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.

Ubuntu133 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ 47d902b90a32a42a3d33aef3a02170fc6f70aa23, < 44214d744be32a4769faebba764510888f1eb19e | ≥ 47d902b90a32a42a3d33aef3a02170fc6f70aa23, < 4af837db0fd3679fabc7b7758397090b0c06dced | ≥ 47d902b90a32a42a3d33aef3a02170fc6f70aa23, < 98e60b538e66c90b9a856828c71d4e975ebfa797 | ≥ 47d902b90a32a42a3d33aef3a02170fc6f70aa23, < 96436365e5d80d0106ea785a4f80a58e7c9edff8 | ≥ 47d902b90a32a42a3d33aef3a02170fc6f70aa23, < b7f5aed55829f376e4f7e5ea5b80ccdcb023e983 | ≥ 47d902b90a32a42a3d33aef3a02170fc6f70aa23, < e803040b368d046434fbc8a91945c690332c4fcf | ≥ 47d902b90a32a42a3d33aef3a02170fc6f70aa23, < ba6a9970ce9e284cbc04099361c58731e308596a | ≥ 47d902b90a32a42a3d33aef3a02170fc6f70aa23, < 31edf4bbe0ba27fd03ac7d87eb2ee3d2a231af6d | 4.12
  • linux_kernel≥ 4.12, < 5.4.273 | ≥ 5.5, < 5.10.214 | ≥ 5.11, < 5.15.153 | ≥ 5.16, < 6.1.83 | ≥ 6.2, < 6.6.23 | ≥ 6.7, < 6.7.11 | ≥ 6.8, < 6.8.2

3 vendors · 137 products

References

14 links
Show all 14 references