Bug 2044524 (CVE-2021-34403) - CVE-2021-34403 kernel: NVIDIA Linux use after free in nvmap ioctl
Summary: CVE-2021-34403 kernel: NVIDIA Linux use after free in nvmap ioctl
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-34403
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2044525
Blocks: 2044526
TreeView+ depends on / blocked
 
Reported: 2022-01-24 17:57 UTC by Pedro Sampaio
Modified: 2023-03-14 12:25 UTC (History)
46 users (show)

Fixed In Version:
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Last Closed: 2022-01-26 19:30:56 UTC
Embargoed:

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Description Pedro Sampaio 2022-01-24 17:57:39 UTC 
NVIDIA Linux distributions contain a vulnerability in nvmap ioctl, which allows
any user with a local account to exploit a use-after-free condition, leading to
code privilege escalation, loss of confidentiality and integrity, or denial of
service.

References:

https://nvidia.custhelp.com/app/answers/detail/a_id/5259
Comment 1 Pedro Sampaio 2022-01-24 17:58:30 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2044525]
Comment 2 Justin M. Forbes 2022-01-25 17:36:49 UTC 
This is in a vulnerability in code that nvidia has not put upstream.
Comment 3 juneau 2022-01-26 13:46:18 UTC 
Hosted OpenShift/Managed Services notaffected.
Comment 5 Product Security DevOps Team 2022-01-26 19:30:52 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-34403
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