CVE-2018-1000204 — Missing Release of Resource after Effective Lifetime in Linux
Severity
5.5MEDIUMNVD
NVD5.3OSV7.8OSV5.3OSV4.3
EPSS
0.1%
top 68.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 26
Latest updateDec 16
Description
Linux Kernel version 3.18 to 4.16 incorrectly handles an SG_IO ioctl on /dev/sg0 with dxfer_direction=SG_DXFER_FROM_DEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824 already. The problem has limited scope, as users don't usually have permissions to access SCSI devices. On the other hand, e.g. the Nero user manual suggests doing `chm…
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.6 | Impact: 3.6
Affected Packages7 packages
▶CVEListV5linux/linux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 — fd97de9c7b973f46a6103f4170c5efc7b8ef8797+23
Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04
Patches
🔴Vulnerability Details
15OSV▶
CVE-2025-68288: In the Linux kernel, the following vulnerability has been resolved: usb: storage: Fix memory leak in USB bulk transport A kernel memory leak was ident↗2025-12-16
GHSA▶
GHSA-87cr-f8hp-2h8x: In the Linux kernel, the following vulnerability has been resolved:
usb: storage: Fix memory leak in USB bulk transport
A kernel memory leak was ide↗2025-12-16
OSV▶
CVE-2022-48853: In the Linux kernel, the following vulnerability has been resolved: swiotlb: fix info leak with DMA_FROM_DEVICE The problem I'm addressing was discove↗2024-07-16