5.5

CVE-2024-39470: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-39470DEBIAN-CVE-2024-39470
Published 25-06-2024Last modified 23-05-2026
Open JSON

Vulnerability summary

CVE-2024-39470 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.9% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.21%
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 9 · Related 7
MGASA-2024-0263MGASA-2024-0266USN-6999-1USN-6999-2USN-7004-1USN-7005-1

Timeline

  1. 25-06-2024
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: eventfs: Fix a possible null pointer dereference in eventfs_find_events() In function eventfs_find_events,there is a potential null pointer that may be caused by calling update_events_attr which will perform some operations on the members of the ei struct when ei is NULL. Hence,When ei->is_freed is set,return NULL directly.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

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

Ubuntu82 products
  • linux< 6.8.0-44.44
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1015.16
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 628adb842bd5e1c2c598534a7a022b8235289de6, < 5ade5fbdbbb1f023bb70730ba4d74146c8bc7eb9 | ≥ 8186fff7ab649085e2c60d032d9a20a85af1d87c, < 7a1b2d138189375ed1dcd7d0851118230221bd1d | ≥ 8186fff7ab649085e2c60d032d9a20a85af1d87c, < d4e9a968738bf66d3bb852dd5588d4c7afd6d7f4 | 9c2ac5e0ea7899411fd900d4681890722a020735 | ≥ 6.6.18, < 6.6.34 | ≥ 6.7.4, < 6.8 | 6.8
  • linux_kernel≥ 6.6.18, < 6.6.34 | ≥ 6.8, < 6.9.5
Debian1 product
  • linux< 6.9.7-1

3 vendors · 85 products

References

14 links
Show all 14 references