CVE-2024-42277: iommu: sprd: Avoid NULL deref in sprd_iommu_hw_en
Vulnerability summary
CVE-2024-42277 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.3% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 21 · Related 18Timeline
- 17-08-2024PublishedVulnerability first disclosed.
- 23-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: iommu: sprd: Avoid NULL deref in sprd_iommu_hw_en In sprd_iommu_cleanup() before calling function sprd_iommu_hw_en() dom->sdev is equal to NULL, which leads to null dereference. Found by Linux Verification Center (linuxtesting.org) with SVACE.
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
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.23% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu117 products
- linux< 5.15.0-125.135 | < 6.8.0-50.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 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≥ 92c089a931fd3939cd32318cf4f54e69e8f51a19, < 8c79ceb4ecf823e6ec10fee6febb0fca3de79922 | ≥ 8745f3592ee4a7b49ede16ddd3f12a41ecaa23c9, < dfe90030a0cfa26dca4cb6510de28920e5ad22fb | ≥ 9afea57384d4ae7b2034593eac7fa76c7122762a, < b62841e49a2b7938f6fdeaaf93fb57e4eb880bdb | ≥ 9afea57384d4ae7b2034593eac7fa76c7122762a, < d5fe884ce28c5005f8582c35333c195a168f841c | ≥ 9afea57384d4ae7b2034593eac7fa76c7122762a, < 630482ee0653decf9e2482ac6181897eb6cde5b8 | d0a917fd5e3b3ed9d9306b4260ba684b982da9f3 | ≥ 5.15.113, < 5.15.165 | ≥ 6.1.81, < 6.1.103 | ≥ 6.3.4, < 6.4 | 6.4
- linux_kernel≥ 5.15.113, < 5.15.165 | ≥ 6.1.81, < 6.1.103 | ≥ 6.3.4, < 6.6.44 | ≥ 6.7, < 6.10.3
Debian1 product
- linux< 6.1.106-1 | < 6.10.3-1
3 vendors · 120 products
