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CVE-2021-28952

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Date: March 20, 2021

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, aka CID-1c668e1c0a0f. (This has been fixed in 5.12-rc4.)

Language: C

Severity Score

Related Resources (14)

https://security-tracker.debian.org/tracker/CVE-2021-28952
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-28952
https://lore.kernel.org/alsa-devel/20210309142129.14182-2-srinivas.kandagatla%40linaro.org/
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1c668e1c0a0f74472469cd514f40c9012b324c31
https://lore.kernel.org/alsa-devel/20210309142129.14182-2-srinivas.kandagatla@linaro.org/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
https://nvd.nist.gov/vuln/detail/CVE-2021-28952
https://security.netapp.com/advisory/ntap-20210430-0003/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
https://www.mend.io/vulnerability-database/CVE-2021-28952

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.13

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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