CVE-2021-40490

Advisory lineage Upstream: 0 Downstream: 36
Modified
Published: 03 Sept 2021, 00:50
Last modified:04 Aug 2024, 02:44

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
v3.1 (nvd)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Sept 2021, 00:50
Published
Vulnerability first disclosed
04 Aug 2024, 02:44
Last Modified
Vulnerability information updated

Description

A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.04%• Percentile: 11%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • debian•debian_linux

    9.0 | 11.0

  • fedoraproject•fedora

    33 | 34

  • linux•linux_kernel

    ≤ 5.13.13

  • netapp•aff_a250_firmware

    na

  • netapp•fas_500f_firmware

    na

  • netapp•h300e

    na

  • netapp•h300s_firmware

    na

  • netapp•h410c_firmware

    na

  • netapp•h410s_firmware

    na

  • netapp•h500e

    na

  • netapp•h500s_firmware

    na

  • netapp•h610c_firmware

    na

  • netapp•h610s_firmware

    na

  • netapp•h615c_firmware

    na

  • netapp•h700e

    na

  • netapp•h700s_firmware

    na

References (7)