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CVE-2025-40036

UnknownEPSS 0.20%

Last modified

CVE-2025-40036 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.20%

9.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < a085658264d0c8d4f795d4631f77d7289a021de9; >= c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < 3ad42dc66445df6977cf4be0c06f1a655299ce6c; >= c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < 78d33a041555db03903e8037fd053ed74fbd88cb; >= c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < c000f65f0ac93d9f9cc69a230d372f6ca93e4879; >= c68cfb718c8f97b7f7a50ed66be5feb42d0c8988, < da1ba64176e0138f2bfa96f9e43e8c3640d01e1e
LinuxLinux5.1

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-40036?
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.
How severe is CVE-2025-40036?
Severity scoring for CVE-2025-40036 is pending analysis. The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40036?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST