DEBIAN-CVE-2020-29660

Advisory lineage Upstream: 1 Downstream: 3
Published: 09 Dec 2020, 17:15
Last modified:28 Apr 2026, 20:18

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 Dec 2020, 17:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:18
Last Modified
Vulnerability information updated

Description

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.

CVSS Metrics

  • v3.1MEDIUMScore: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • debianlinux

    < 5.9.15-1 | < 5.9.15-1 | < 5.9.15-1 | < 5.9.15-1

References (1)