vulnerability
Red Hat: CVE-2020-29661: CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Dec 9, 2020 | Feb 3, 2021 | Aug 11, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Dec 9, 2020
Added
Feb 3, 2021
Modified
Aug 11, 2025
Description
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
References
- CWE-416
- CWE-667
- NVD-CVE-2020-29661
- REDHAT-RHSA-2021:0537
- REDHAT-RHSA-2021:0558
- REDHAT-RHSA-2021:0686
- REDHAT-RHSA-2021:0689
- REDHAT-RHSA-2021:0763
- REDHAT-RHSA-2021:0765
- REDHAT-RHSA-2021:0774
- REDHAT-RHSA-2021:0856
- REDHAT-RHSA-2021:0857
- REDHAT-RHSA-2021:0862
- REDHAT-RHSA-2021:0878
- REDHAT-RHSA-2021:0940
- REDHAT-RHSA-2021:1028
- REDHAT-RHSA-2021:1031
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