5.5

CVE-2026-31439: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-31439DEBIAN-CVE-2026-31439
Published 22-04-2026Last modified 11-05-2026

Vulnerability summary

CVE-2026-31439 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.9% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 28 · Related 26

Timeline

  1. 22-04-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devm_regmap_init_mmio returns an ERR_PTR() upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERR_PTR() instead of the wrong value in ret.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

+0.04 pp

From 0.12% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.16%

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

Ubuntu130 products
  • linux< 6.8.0-136.136 | All versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1061.64 | All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 17ce252266c7f016ece026492c45838f852ddc79, < 4b6e1da50b22e5528b9003f376a3cecccce4decc | ≥ 17ce252266c7f016ece026492c45838f852ddc79, < 9787b3d9b908785b40bc3f2e6d7082fdb8fdd98a | ≥ 17ce252266c7f016ece026492c45838f852ddc79, < f27197ccfd2ecd2c71f27fd57c6d507e892ad24d | ≥ 17ce252266c7f016ece026492c45838f852ddc79, < 59f6ccd0f3345be2e8a78bdef2103e93f180633a | ≥ 17ce252266c7f016ece026492c45838f852ddc79, < e0adbf74e2a0455a6bc9628726ba87bcd0b42bf8 | 6.3
  • linux_kernel≥ 6.3, < 6.6.131 | ≥ 6.7, < 6.12.80 | ≥ 6.13, < 6.18.21 | ≥ 6.19, < 6.19.11 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5 | 7.0:rc6
Debian1 product
  • linux< 6.12.85-1 | < 6.19.11-1

3 vendors · 133 products

References

24 links
Show all 24 references