CVE-2024-39473: linux NULL Pointer Dereference
Vulnerability summary
CVE-2024-39473 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 10.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 15 · Related 12Timeline
- 05-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension If a process module does not have base config extension then the same format applies to all of it's inputs and the process->base_config_ext is NULL, causing NULL dereference when specifically crafted topology and sequences used.
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
0.21%
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
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≥ 648fea12847695d60ddeebea86597114885ee76e, < e3ae00ee238bce6cfa5ad935c921181c14d18fd6 | ≥ 648fea12847695d60ddeebea86597114885ee76e, < 9e16f17a2a0e97b43538b272e7071537a3e03368 | ≥ 648fea12847695d60ddeebea86597114885ee76e, < ffa077b2f6ad124ec3d23fbddc5e4b0ff2647af8 | 6.4
- linux_kernelEOL< 6.4 | ≥ 6.6, < 6.6.34 | ≥ 6.9, < 6.9.5 | 6.10.0:rc1
Debian1 product
- linux< 6.9.7-1
3 vendors · 95 products
