Bug 2406195 (CVE-2025-40019) - CVE-2025-40019 kernel: crypto: essiv - Check ssize for decryption and in-place encryption
Summary: CVE-2025-40019 kernel: crypto: essiv - Check ssize for decryption and in-plac...
Keywords:
Status: NEW
Alias: CVE-2025-40019
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-24 12:01 UTC by OSIDB Bzimport
Modified: 2025-10-24 13:37 UTC (History)
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Description OSIDB Bzimport 2025-10-24 12:01:25 UTC 
In the Linux kernel, the following vulnerability has been resolved:

crypto: essiv - Check ssize for decryption and in-place encryption

Move the ssize check to the start in essiv_aead_crypt so that
it's also checked for decryption and in-place encryption.
Comment 1 Keith Grant 2025-10-24 13:35:45 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025102433-CVE-2025-40019-a8e7@gregkh/T
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