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.

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CVSS v3.1

7.8 HIGH

EPSS

1.12%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

ScopeUNCHANGED

ConfidentialityHIGH

IntegrityHIGH

AvailabilityHIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Connections

13 relationships

active iq unified manager

source

fabric operating system

source

a700s firmware

source

solidfire baseboard management controller firmware

tekelec platform distribution

source

Timeline

disclosure → media coverage

Dec 9, 2020

Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024

Public PoC (1)

github.com/wojkos9/arm-CVE-2020-29661

Unverified third-party code — review before executing.