CVE-2024-38622: linux NULL Pointer Dereference
Vulnerability summary
CVE-2024-38622 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 14 · Related 12Timeline
- 21-06-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Add callback function pointer check before its call In dpu_core_irq_callback_handler() callback function pointer is compared to NULL, but then callback function is unconditionally called by this pointer. Fix this bug by adding conditional return. Found by Linux Verification Center (linuxtesting.org) with SVACE. Patchwork: https://patchwork.freedesktop.org/patch/588237/
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu92 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≥ c929ac60b3ed34accd25a052a4833e418900f466, < 873f67699114452c2a996c4e10faac8ff860c241 | ≥ c929ac60b3ed34accd25a052a4833e418900f466, < 9078630ed7f8f25d65d11823e7f2b11a8e2f4f0f | ≥ c929ac60b3ed34accd25a052a4833e418900f466, < 530f272053a5e72243a9cb07bb1296af6c346002 | 5.19
- linux_kernel≥ 5.19, < 6.6.33 | ≥ 6.7, < 6.9.4
Debian1 product
- linuxAll versions (No fix recorded) | < 6.9.7-1
3 vendors · 95 products