cbcvebase.
CVE-2020-29660
published 2020-12-09

CVE-2020-29660: 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…

PriorityP418medium4.4CVSS 3.1
AVLACLPRHUINSUCHINAN
EPSS
0.47%
37.5th percentile
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.

Affected

19 ranges
VendorProductVersion rangeFixed in
debiandebian_linux
debiandebian_linux
debianlinux< linux 5.9.15-1 (bookworm)linux 5.9.15-1 (bookworm)
fedoraprojectfedora
fedoraprojectfedora
googleandroid
linuxlinux_kernel<= 5.9.13
linuxlinux_kernel>= 0 < 5.9.15-15.9.15-1
linuxlinux_kernel>= 0 < 5.9.15-15.9.15-1
linuxlinux_kernel>= 0 < 5.9.15-15.9.15-1
linuxlinux_kernel>= 0 < 5.9.15-15.9.15-1
linuxlinux_kernel>= 0 < 4.4.0-203.2354.4.0-203.235
linuxlinux_kernel>= 0 < 4.15.0-136.1404.15.0-136.140
linuxlinux_kernel>= 0 < 5.4.0-66.745.4.0-66.74
linuxlinux_kernel>= 0 < 3.13.0-188.2393.13.0-188.239
linuxlinux_kernel>= 0 < 4.4.0-203.2354.4.0-203.235
linuxlinux_kernel>= 0 < 4.15.0-136.1404.15.0-136.140
linuxlinux_kernel>= 0 < 5.4.0-70.785.4.0-70.78
msrccm1_kernel_5.4.91-1_on_cbl_mariner_1.0

CVSS provenance

nvdv3.14.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_debian4.4MEDIUM
vendor_msrc4.4MEDIUM
vendor_redhat4.4MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.