Bug 1875840 (CVE-2020-29370) - CVE-2020-29370 kernel: Race condition in SLUB bulk alloc slowpath
Summary: CVE-2020-29370 kernel: Race condition in SLUB bulk alloc slowpath
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-29370
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
: 1903278 (view as bug list)
Depends On:
Blocks: Embargoed1870587 Embargoed1903280
TreeView+ depends on / blocked
 
Reported: 2020-09-04 14:02 UTC by Pedro Sampaio
Modified: 2021-02-16 19:22 UTC (History)
47 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A flaw memory corruption in the Linux kernel slub memory allocator subsystem was found in the way if race condition happens during memory allocation. A local user potentially could use this flaw to corrupt the memory with the double usage of the same memory object by different threads as result.
Clone Of:
Environment:
Last Closed: 2020-09-18 08:41:13 UTC

Attachments (Terms of Use)

Description Pedro Sampaio 2020-09-04 14:02:22 UTC 
A flaw was found in Linux kernel. A race condition in SLUB bulk alloc may lead to it to return the same object for two allocations.

References:

https://bugs.chromium.org/p/project-zero/issues/detail?id=2022
Comment 4 Alex 2020-09-21 20:16:17 UTC 
Acknowledgments:

Name: Jann Horn (Google)
Comment 5 Petr Matousek 2020-12-10 12:51:47 UTC 
*** Bug 1903278 has been marked as a duplicate of this bug. ***
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