Race condition in Linux kernel - CVE-2019-14898
Published: May 8, 2020 / Updated: February 12, 2023
Vulnerability identifier: #VU95687
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-14898
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code.
The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.
How to mitigate CVE-2019-14898
Install update from vendor's repository.
Sources
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.37
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14898
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1790
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.114
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://www.oracle.com/security-alerts/cpuApr2021.html