CVE-2024-35926: crypto: iaa - Fix async_disable descriptor leak

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-19 · updated 2026-06-17
Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix async_disable descriptor leak The disable_async paths of iaa_compress/decompress() don't free idxd descriptors in the async_disable case. Currently this only happens in the testcases where req->dst is set to null. Add a test to free them in those paths.

Affected products

Linux kernel: from 6.8 before 6.8.6 — fixed in 6.8.6

How to fix

Upgrade to a fixed version: Linux kernel 6.8.6. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/262534ddc88dfea7474ed18adfecf856e4fbe054
https://git.kernel.org/stable/c/d994f7d77aaded05dc05af58a2720fd4f4b72a83
https://git.kernel.org/stable/c/262534ddc88dfea7474ed18adfecf856e4fbe054
https://git.kernel.org/stable/c/d994f7d77aaded05dc05af58a2720fd4f4b72a83

Get alerted when CVE-2024-35926 or the next vulnerability affects your stack