CVE-2019-19053Missing Release of Memory after Effective Lifetime in Kernel

Severity
7.5HIGHNVD
EPSS
0.5%
top 33.82%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 18
Latest updateMay 24

Description

A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering copy_from_iter_full() failures, aka CID-bbe692e349e2.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

Also affects: Ubuntu Linux 18.04, 19.10

Patches

🔴Vulnerability Details

3
GHSA
GHSA-ghm8-6m3x-wv66: A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char2022-05-24
CVEList
CVE-2019-19053: A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char2019-11-18
OSV
CVE-2019-19053: A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char2019-11-18

📋Vendor Advisories

4
Ubuntu
Linux kernel vulnerabilities2020-03-25
Ubuntu
Linux kernel vulnerabilities2020-03-25
Red Hat
kernel: A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char.c allows attackers to cause a DoS2019-09-17
Debian
CVE-2019-19053: linux - A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_c...2019

💬Community

2
Bugzilla
CVE-2019-19053 kernel: A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char.c allows attackers to cause a DoS2019-11-21
Bugzilla
CVE-2019-19053 kernel: A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char.c allows attackers to cause a DoS [fedora-all]2019-11-21
CVE-2019-19053 — Linux Kernel vulnerability | cvebase