CVEvulnerability

CVE-2019-11487

7.8 HIGH Published 2019-04-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-04-23
Last modified
2026-06-17
Assigner
[email protected]
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
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-416

Description

The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests.

Affected configurations

• linux linux kernel (< 4.4.216) • linux linux kernel (>= 4.5 < 4.9.181) • linux linux kernel (>= 4.10 < 4.14.116) • linux linux kernel (>= 4.15 < 4.19.39) • linux linux kernel (>= 4.20 < 5.0.12) • linux linux kernel 5.1 • debian debian linux 8.0 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 19.04

Related

Weakness · CWE (1)

References