CVE-2020-29661

7.8HIGH

Key Information

Vendor
Linux
Status
Linux Kernel
Vendor
CVE Published:
9 December 2020
👾 Exploit Exists

Summary

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.

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/12/10/1
mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database0 Proof of Concept(s)
.