7.1

CVE-2024-45021: linux NULL Pointer Dereference

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2024-45021DEBIAN-CVE-2024-45021
Published 11-09-2024Last modified 05-08-2026

Vulnerability summary

CVE-2024-45021 is a high (CVSS 7.1) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.26%
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 39 · Related 36

Timeline

  1. 11-09-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: memcg_write_event_control(): fix a user-triggerable oops we are *not* guaranteed that anything past the terminating NUL is mapped (let alone initialized with anything sane).

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

0.00 pp

From 0.26% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.26%

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

Ubuntu129 products
  • linuxAll versions (No fix recorded) | < 4.4.0-262.296 | < 4.15.0-232.244 | < 5.4.0-200.220 | < 5.15.0-125.135 | < 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1139.145 | < 4.4.0-1177.192 | < 4.15.0-1176.189 | < 5.4.0-1135.145 | < 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≥ 0dea116876eefc9c7ca9c5d74fe665481e499fa3, < fa5bfdf6cb5846a00e712d630a43e3cf55ccb411 | ≥ 0dea116876eefc9c7ca9c5d74fe665481e499fa3, < 1b37ec85ad95b612307627758c6018cd9d92cca8 | ≥ 0dea116876eefc9c7ca9c5d74fe665481e499fa3, < ad149f5585345e383baa65f1539d816cd715fd3b | ≥ 0dea116876eefc9c7ca9c5d74fe665481e499fa3, < 0fbe2a72e853a1052abe9bc2b7df8ddb102da227 | ≥ 0dea116876eefc9c7ca9c5d74fe665481e499fa3, < 43768fa80fd192558737e24ed6548f74554611d7 | ≥ 0dea116876eefc9c7ca9c5d74fe665481e499fa3, < f1aa7c509aa766080db7ab3aec2e31b1df09e57c | ≥ 0dea116876eefc9c7ca9c5d74fe665481e499fa3, < 21b578f1d599edb87462f11113c5b0fc7a04ac61 | ≥ 0dea116876eefc9c7ca9c5d74fe665481e499fa3, < 046667c4d3196938e992fba0dfcde570aa85cd0e | 2.6.34
  • linux_kernel≥ 2.6.34, < 4.19.321 | ≥ 4.20, < 5.4.283 | ≥ 5.5, < 5.10.225 | ≥ 5.11, < 5.15.166 | ≥ 5.16, < 6.1.107 | ≥ 6.2, < 6.6.48 | ≥ 6.7, < 6.10.7 | 6.11:rc1 | 6.11:rc2 | 6.11:rc3
Debian1 product
  • linux< 6.1.112-1 | < 6.10.7-1

3 vendors · 132 products

References

35 links
Show all 35 references