CVE-2020-29660

medium
Published 2021-11-09 ยท Modified 2021-11-09
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.5

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.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
almalinux AlmaLinux Fixed 1 release
VersionStatusFixed in
8 Fixed kernel-tools-libs-devel-4.18.0-348.el8.x86_64.rpm
arch Arch Fixed 1 release
VersionStatusFixed in
โ€” Fixed 5.9.14.arch1-1
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 5.9.15-1
sid Fixed 5.9.15-1
forky Fixed 5.9.15-1
bullseye Fixed 5.9.15-1
bookworm Fixed 5.9.15-1
redhat Red Hat Fixed 1 release
VersionStatusFixed in
8 Fixed โ€”

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.