CVE-2025-40036: linux
Vulnerability summary
CVE-2025-40036 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 36 · Related 32Timeline
- 28-10-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix possible map leak in fastrpc_put_args copy_to_user() failure would cause an early return without cleaning up the fdlist, which has been updated by the DSP. This could lead to map leak. Fix this by redirecting to a cleanup path on failure, ensuring that all mapped buffers are properly released before returning.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
+0.01 pp
From 0.20% on 21-09-2026
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
Ubuntu150 products
- linuxAll versions (No fix recorded) | < 6.8.0-106.106 | < 6.17.0-14.14
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1050.53 | < 6.17.0-1007.7
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.158-1 | < 6.12.57-1 | < 6.17.6-1
Linux1 product
- linux≥ c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < a085658264d0c8d4f795d4631f77d7289a021de9 | ≥ c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < 3ad42dc66445df6977cf4be0c06f1a655299ce6c | ≥ c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < 78d33a041555db03903e8037fd053ed74fbd88cb | ≥ c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < c000f65f0ac93d9f9cc69a230d372f6ca93e4879 | ≥ c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < da1ba64176e0138f2bfa96f9e43e8c3640d01e1e | 5.1
3 vendors · 152 products