Bug 2267936 (CVE-2021-47089) - CVE-2021-47089 kernel: kfence: fix memory leak when cat kfence objects [NEEDINFO]
Summary: CVE-2021-47089 kernel: kfence: fix memory leak when cat kfence objects
Keywords:
Status: NEW
Alias: CVE-2021-47089
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: 2268181
TreeView+ depends on / blocked
 
Reported: 2024-03-05 16:07 UTC by Zack Miele
Modified: 2024-03-12 20:12 UTC (History)
51 users (show)

Fixed In Version: kernel 5.15.12, kernel 5.16
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Last Closed:
Embargoed:
aubaker: needinfo? (zmiele)

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Description Zack Miele 2024-03-05 16:07:43 UTC 
In the Linux kernel, the following vulnerability has been resolved:

kfence: fix memory leak when cat kfence objects

The Linux kernel CVE team has assigned CVE-2021-47089 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024030413-CVE-2021-47089-bc5a@gregkh/T
Comment 2 Audra Mitchell 2024-03-12 20:12:45 UTC 
Hey Zack-
Looks to me we already have the fix for this issue in RHEL 9:

$ kerneloscope  downstream 0129ab1f268b
0a838c65d871 (in rhel-9.1, rhel-9.2, rhel-9.3, rhel-9.4) kfence: fix memory leak when cat kfence objects

I'm going to go ahead and close the jiras for this issue. Let me know if you have any questions.
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