What’s Vulnerable › Vulnerabilities

CVE-2021-28952

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-20 · updated 2026-06-17
• Weakness: CWE-120

Description

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.)

Affected products

• Fedoraproject Fedora: 32, 33, 34
• Linux kernel: through 5.11.8
• NetApp A250 Firmware: all versions
• NetApp Aff 500F Firmware: all versions
• NetApp Cloud Backup: all versions
• NetApp Fas 500F Firmware: all versions
• NetApp Solidfire Baseboard Management Controller Firmware: all versions

References

• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1c668e1c0a0f74472469cd514f40c9012b324c31
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
• https://lore.kernel.org/alsa-devel/20210309142129.14182-2-srinivas.kandagatla%40linaro.org/
• https://security.netapp.com/advisory/ntap-20210430-0003/
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1c668e1c0a0f74472469cd514f40c9012b324c31
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
• https://lore.kernel.org/alsa-devel/20210309142129.14182-2-srinivas.kandagatla%40linaro.org/
• https://security.netapp.com/advisory/ntap-20210430-0003/

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