2454855 – (CVE-2026-31391) CVE-2026-31391 kernel: crypto: atmel-sha204a - Fix OOM ->tfm_count leak

Bug 2454855 (CVE-2026-31391) - CVE-2026-31391 kernel: crypto: atmel-sha204a - Fix OOM ->tfm_count leak

Summary: CVE-2026-31391 kernel: crypto: atmel-sha204a - Fix OOM ->tfm_count leak

Keywords:
Status:	NEW
Alias:	CVE-2026-31391
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	unspecified
Severity:	unspecified
Target Milestone:	---
Assignee:	Product Security DevOps Team
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2026-04-03 16:04 UTC by OSIDB Bzimport
Modified:	2026-04-03 17:33 UTC (History)
CC List:	0 users
Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments	(Terms of Use)

Description OSIDB Bzimport 2026-04-03 16:04:29 UTC

In the Linux kernel, the following vulnerability has been resolved:

crypto: atmel-sha204a - Fix OOM ->tfm_count leak

If memory allocation fails, decrement ->tfm_count to avoid blocking
future reads.

Comment 1 Jon Moroney 2026-04-03 17:30:31 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026040324-CVE-2026-31391-4b86@gregkh/T

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