Bug 2316255 (CVE-2024-44943) - CVE-2024-44943 kernel: mm: gup: stop abusing try_grab_folio
Summary: CVE-2024-44943 kernel: mm: gup: stop abusing try_grab_folio
Keywords:
Status: NEW
Alias: CVE-2024-44943
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-10-03 07:52 UTC by OSIDB Bzimport
Modified: 2024-10-03 07:52 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: ---
Doc Text:
A flaw was found in the Linux kernel. This issue involved improperly using the `try_grab_folio()` function in the memory management subsystem and led to failures and kernel warnings during memory pinning in the Contiguous Memory Allocator (CMA) area, especially when starting SEV virtual machines.
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2024-10-03 07:52:18 UTC 
In the Linux kernel, the following vulnerability has been resolved:

mm: gup: stop abusing try_grab_folio

The Linux kernel CVE team has assigned CVE-2024-44943 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024082853-CVE-2024-44943-234f@gregkh/T
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