What is CVE-2019-15791?

CVE-2019-15791 is a high-severity vulnerability in Ubuntu Shiftfs In The Linux Kernel, classified under Operation on a Resource after Expiration or Release. CVSS score: 7.1/10. Published 2020-04-23.

How severe is CVE-2019-15791?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Ubuntu Shiftfs In The Linux Kernel

CVE-2019-15791

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfs_btrfs_ioctl_fd_replace() installs an fd referencing a file from the lower filesystem without taking an additional reference to t…

EPSS: 0.001 (32.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Ubuntu Shiftfs In The Linux Kernel — versions 5.3.0-11.12, 5.0 kernel

Weakness classification (CWE)

CWE-672 — Operation on a Resource after Expiration or Release

References

usn.ubuntu.com/usn/usn-4183-1 (x_refsource_MISC)
usn.ubuntu.com/usn/usn-4184-1 (x_refsource_MISC)
git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/eoan/commit/ (x_refsource_MISC)

Frequently asked questions

What is CVE-2019-15791?: CVE-2019-15791 is a high-severity vulnerability in Ubuntu Shiftfs In The Linux Kernel, classified under Operation on a Resource after Expiration or Release. CVSS score: 7.1/10. Published 2020-04-23.
How severe is CVE-2019-15791?: High severity. CVSS v3 base score is 7.1 out of 10.