CVE-2025-38015: dmaengine: idxd: fix memory leak in error handling path of idxd_alloc
Vulnerability summary
CVE-2025-38015 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.4% 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 33 · Related 30Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 23-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix memory leak in error handling path of idxd_alloc Memory allocated for idxd is not freed if an error occurs during idxd_alloc(). To fix it, free the allocated memory in the reverse order of allocation before exiting the function in case of an error.
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
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.19% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Ubuntu133 products
- linuxAll versions (No fix recorded) | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.140-1 | < 6.12.30-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ a8563a33a5e26064061f2fb34215c97f0e2995f4, < 64afd9a1f644b27661420257dcc007d5009c99dd | ≥ a8563a33a5e26064061f2fb34215c97f0e2995f4, < 6e94a2c3e4c166cd2736ac225fba5889fb1e8ac0 | ≥ a8563a33a5e26064061f2fb34215c97f0e2995f4, < 868dbce755ec92855362d213f47e045a8388361a | ≥ a8563a33a5e26064061f2fb34215c97f0e2995f4, < 4f005eb68890698e5abc6a3af04dab76f175c50c | ≥ a8563a33a5e26064061f2fb34215c97f0e2995f4, < 46a5cca76c76c86063000a12936f8e7875295838 | 9526f051bedde01baa50081afe143a8bc5b8e6be | ≥ 6.0.9, < 6.1 | 6.1
- linux_kernel≥ 6.0.9, < 6.1.140 | ≥ 6.2, < 6.6.92 | ≥ 6.7, < 6.12.30 | ≥ 6.13, < 6.14.8 | 6.15:rc1 | 6.15:rc2 | 6.15:rc3 | 6.15:rc4 | 6.15:rc5 | 6.15:rc6
3 vendors · 137 products
References
29 links- lists.debian.org/debian-lts-announce/2025/08/msg00010.htmlThird Party Advisory