Bug 2123654 (CVE-2021-0707) - CVE-2021-0707 Kernel: possible memory corruption due to a use after free in dma_buf_release of dma-buf.c
Summary: CVE-2021-0707 Kernel: possible memory corruption due to a use after free in d...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-0707
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:
Blocks: 2117840
TreeView+ depends on / blocked
 
Reported: 2022-09-02 09:58 UTC by Rohit Keshri
Modified: 2023-03-14 18:36 UTC (History)
51 users (show)

Fixed In Version: kernel 5.11 rc3
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Last Closed: 2022-09-04 10:25:45 UTC
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Description Rohit Keshri 2022-09-02 09:58:40 UTC 
In dma_buf_release of dma-buf.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-155756045References: Upstream kernel

https://source.android.com/security/bulletin/2022-04-01
Comment 3 Rohit Keshri 2022-09-02 10:27:35 UTC 
There was no shipped kernel version that was seen affected by this problem.
Comment 5 Product Security DevOps Team 2022-09-04 10:25:42 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-2021-0707
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