CVE-2021-28952

Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 20 Mar 2021, 20:05
Last modified:03 Aug 2024, 21:55

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.18% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

20 Mar 2021, 20:05
Published
Vulnerability first disclosed
03 Aug 2024, 21:55
Last Modified
Vulnerability information updated

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.)

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.18%• Percentile: 39%

Techniques & Countermeasures

  • CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

    The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected Systems

  • fedoraproject•fedora

    32 | 33 | 34

  • linux•linux_kernel

    ≤ 5.11.8

  • netapp•a250_firmware

    na

  • netapp•aff_500f_firmware

    na

  • netapp•cloud_backup

    na

  • netapp•fas_500f_firmware

    na

  • netapp•solidfire_baseboard_management_controller_firmware

    na

References (6)