CVE-2025-68238: linux

CVSS: UnknownDeferred
AliasesUBUNTU-CVE-2025-68238DEBIAN-CVE-2025-68238
Published 16-12-2025Last modified 23-05-2026
Open JSON

Vulnerability summary

CVE-2025-68238 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.2% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.19%
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 42 · Related 39
DLA-4436-1MGASA-2026-0017MGASA-2026-0018OPENSUSE-SU-2026:20145-1SUSE-SU-2026:0278-1SUSE-SU-2026:0281-1

Timeline

  1. 16-12-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: fix DMA device NULL pointer dereference The DMA device pointer `dma_dev` was being dereferenced before ensuring that `cdns_ctrl->dmac` is properly initialized. Move the assignment of `dma_dev` after successfully acquiring the DMA channel to ensure the pointer is valid before use.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

0.00 pp

From 0.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.19%

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

No weakness data has been published for this record.

Affected systems

Ubuntu144 products
  • linux< 5.15.0-173.183 | < 6.8.0-106.106 | < 6.17.0-19.19
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1103.110 | < 6.8.0-1050.53 | < 6.17.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.159-1 | < 6.12.63-1 | < 6.17.10-1
Linux1 product
  • linux≥ 0cae7c285f4771a9927ef592899234d307aea5d4, < 2178b0255eae108bb10e5e99658b28641bc06f43 | ≥ 099a316518508be7c57de4134ef919b2dea948ce, < 9c58c64ec41290c12490ca7e1df45013fbbb41fd | ≥ e630d32162a8aab92d4aaebae0a8d93039257593, < e282a4fdf3c6ee842a720010a8b5f7d77bedd126 | ≥ ad9393467fbd788ac2b8a01e492e45ab1b68a1b1, < b146e0b085d9d6bfe838e0a15481cba7d093c67f | ≥ 0ce5416863965ddd86e066484a306867cf1e01a8, < 0c635241a62f2f5da1b48bfffae226d1f86a76ef | ≥ d76d22b5096c5b05208fd982b153b3f182350b19, < 0c2a43cb43786011b48eeab6093db14888258c6b | ≥ d76d22b5096c5b05208fd982b153b3f182350b19, < 5c56bf214af85ca042bf97f8584aab2151035840 | a33c7492dcdf804b705b6c21018a481414d48038 | ≥ 5.10.235, < 5.10.247 | ≥ 5.15.179, < 5.15.197 | ≥ 6.1.130, < 6.1.159 | ≥ 6.6.80, < 6.6.118 | ≥ 6.12.17, < 6.12.60 | ≥ 6.13.5, < 6.14 | 6.14

3 vendors · 146 products

References

37 links
Show all 37 references