CVE-2025-40017: media: iris: Fix memory leak by freeing untracked persist buffer
Vulnerability summary
CVE-2025-40017 is a medium (CVSS 6.8) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.5% of scored vulnerabilities.
Not severe (CVSS 6.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 20-10-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: media: iris: Fix memory leak by freeing untracked persist buffer One internal buffer which is allocated only once per session was not being freed during session close because it was not being tracked as part of internal buffer list which resulted in a memory leak. Add the necessary logic to explicitly free the untracked internal buffer during session close to ensure all allocated memory is released properly.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu87 products
- linux< 6.17.0-6.6
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.17.0-1003.3
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.16.11-1
Linux1 product
- linux≥ 73702f45db81b74897b2808aaa13484826156006, < c9e024e907cafafd6b094f69a0d0f5d18fd28876 | ≥ 73702f45db81b74897b2808aaa13484826156006, < ec2f87ad035e8d1ad67567542842f1f23a4dbde2 | ≥ 73702f45db81b74897b2808aaa13484826156006, < 02a24f13b3a1d9da9f3de56aa5fdb7cc1fe167a2 | 6.15
3 vendors · 89 products