Vulnerability Monitor

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CVE-2020-29661

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b.

Published

2020-12-09T17:15:31.807

Last Modified

2024-11-21T05:24:23.040

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-416
    CWE-667
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 4.4.248 Yes
Operating System linux linux_kernel < 4.9.248 Yes
Operating System linux linux_kernel < 4.14.212 Yes
Operating System linux linux_kernel < 4.19.163 Yes
Operating System linux linux_kernel < 5.4.83 Yes
Operating System linux linux_kernel < 5.9.14 Yes
Operating System fedoraproject fedora 32 Yes
Operating System fedoraproject fedora 33 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Application netapp active_iq_unified_manager - Yes
Operating System broadcom fabric_operating_system - Yes
Operating System netapp solidfire_baseboard_management_controller_firmware - Yes
Hardware netapp solidfire_baseboard_management_controller - No
Operating System netapp h410c_firmware - Yes
Hardware netapp h410c - No
Operating System netapp a700s_firmware - Yes
Hardware netapp a700s - No
Operating System netapp 8300_firmware - Yes
Hardware netapp 8300 - No
Operating System netapp 8700_firmware - Yes
Hardware netapp 8700 - No
Operating System netapp a400_firmware - Yes
Hardware netapp a400 - No
Application oracle tekelec_platform_distribution ≤ 7.7.1 Yes
References