Bug 1941774 (CVE-2021-28952) - CVE-2021-28952 kernel: buffer overflow in sound/soc/qcom/sdm845.c when an unexpected port ID number is encountered
Summary: CVE-2021-28952 kernel: buffer overflow in sound/soc/qcom/sdm845.c when an une...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-28952
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1941776
Blocks: 1941777
TreeView+ depends on / blocked
 
Reported: 2021-03-22 18:28 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-03-30 09:51 UTC (History)
44 users (show)

Fixed In Version:
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A flaw was found in the Linux kernel. The soundwire device driver has a buffer overflow when an unexpected port ID number is encountered. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Clone Of:
Environment:
Last Closed: 2021-03-26 17:35:13 UTC

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Description Guilherme de Almeida Suckevicz 2021-03-22 18:28:31 UTC 
An issue was discovered in the Linux kernel through 5.11.8. The sound/soc/qcom/sdm845.c soundwire device driver has a buffer overflow when an unexpected port ID number is encountered,. (This has been fixed in 5.12-rc4.)

References and upstream patch:
https://lore.kernel.org/alsa-devel/20210309142129.14182-2-srinivas.kandagatla@linaro.org/
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1c668e1c0a0f74472469cd514f40c9012b324c31
Comment 1 Guilherme de Almeida Suckevicz 2021-03-22 18:30:27 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1941776]
Comment 2 Product Security DevOps Team 2021-03-26 17:35:13 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-2021-28952
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