CVE-2026-31439: linux
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.
Advisory lineage
Upstream 0 · Downstream 28 · Related 26Timeline
- 22-04-2026PublishedVulnerability first disclosed.
- 11-05-2026Last 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- 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
0.16%
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo 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