There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
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Score 7.1 from GitHub Security Advisory (severity: LOW) published 2022-05-24. NVD baseline CVSS 7.1; sources differ by 0.0.
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
February 6, 2020
November 21, 2024
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | lowlatency-4.4 (4.4.0-168) @ xenial | 2026-05-27 | ubuntu |
| ubuntu | linux-image-virtual-hwe-16.04-edge (4.15.0.99.106) @ xenial | 2026-05-27 | ubuntu |
| ubuntu | linux-image-oem-osp1 (5.0.0.1050.53) @ bionic | 2026-05-27 | ubuntu |
| ubuntu | linux-image-virtual (5.3.0.51.42) @ eoan | 2026-05-27 | ubuntu |
| ubuntu | linux-image-virtual-lts-xenial (4.4.0.178.157) @ trusty | 2026-05-27 | ubuntu |
| redhat | kernel-0:3.10.0-1062.56.1.el7 | 2021-09-14 | redhat |
| redhat | kernel-0:3.10.0-957.80.1.el7 | 2021-08-31 | redhat |
| redhat | kernel-rt-0:3.10.0-1160.31.1.rt56.1169.el7 | 2021-06-08 | redhat |
| redhat | kernel-0:3.10.0-1160.31.1.el7 | 2021-06-08 | redhat |
| redhat | kernel-rt-0:4.18.0-240.rt7.54.el8 | 2020-11-04 | redhat |
| redhat | kernel-0:4.18.0-240.el8 | 2020-11-04 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
RHSA-2020:4431 — Moderate
RHSA-2020:4609 — Moderate
RHSA-2021:2314 — Moderate
RHSA-2021:2316 — Moderate
RHSA-2021:3320 — Moderate
RHSA-2021:3522 — Moderate
Kernel Live Patch Security Notice
Kernel Live Patch Security Notice
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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msrc · redhat
CWE-416