CVE-2021-20219
Summary
| CVE | CVE-2021-20219 |
|---|
| State | PUBLIC |
|---|
| Assigner | [email protected] |
|---|
| Source Priority | CVE Program / NVD first with legacy fallback |
|---|
| Published | 2021-03-23 17:15:00 UTC |
|---|
| Updated | 2021-03-26 19:48:00 UTC |
|---|
| Description | A denial of service vulnerability was found in n_tty_receive_char_special in drivers/tty/n_tty.c of the Linux kernel. In this flaw a local attacker with a normal user privilege could delay the loop (due to a changing ldata->read_head, and a missing sanity check) and cause a threat to the system availability. |
|---|
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|
| Operating System |
Linux |
Linux Kernel |
All |
All |
All |
All |
References
| Reference | Source | Link | Tags |
|---|
| 1923738 – (CVE-2021-20219) CVE-2021-20219 kernel: improper synchronization in flush_to_ldisc() can lead to DoS |
MISC |
bugzilla.redhat.com |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 159175 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9215)
- 174916 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1210-1)
- 174925 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1248-1)
- 390225 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2021-0016)
- 750004 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1573-1)
- 750006 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1596-1)
- 750014 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1623-1)
- 750015 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1624-1)
