CVEvulnerability

CVE-2021-47358

7.8 HIGH Published 2024-05-21 Modified 2026-08-04 Official page ↗
Status
Modified
Published
2024-05-21
Last modified
2026-08-04
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect.

Affected configurations

• linux linux kernel (>= 4.9 < 4.9.285) • linux linux kernel (>= 4.10 < 4.14.249) • linux linux kernel (>= 4.15 < 4.19.209) • linux linux kernel (>= 4.20 < 5.4.150) • linux linux kernel (>= 5.5 < 5.10.70) • linux linux kernel (>= 5.11 < 5.14.9) • linux linux kernel 5.15

Related

Weakness · CWE (1)

References