CVE-2019-15538
First published: Sun Aug 25 2019(Updated: )
A flaw was found in the XFS file system in the Linux kernel. An acquired ILOCK was not freed/unlock when the call to xfs_qm_vop_chown_reserve fails and the lock is still held and can lead to denial to access for that device. This is primarily a local denial of service but could result in a remote denial of service if the XFS file system is exported as an NFS file system.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-alt | <0:4.14.0-115.21.2.el7a | 0:4.14.0-115.21.2.el7a |
| Linux Kernel | >=4.7<4.9.191 | |
| Linux Kernel | >=4.14<4.14.141 | |
| Linux Kernel | >=4.19<4.19.69 | |
| Linux Kernel | >=5.2<5.2.11 | |
| Linux Kernel | =5.3 | |
| Linux Kernel | =5.3-rc1 | |
| Linux Kernel | =5.3-rc2 | |
| Linux Kernel | =5.3-rc3 | |
| Linux Kernel | =5.3-rc4 | |
| Linux Kernel | =5.3-rc5 | |
| Linux Kernel | =5.3-rc6 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =19.04 | |
| netapp data availability services | ||
| netapp hci management node | ||
| netapp solidfire | ||
| All of | ||
| NetApp AFF A700s Firmware | ||
| NetApp AFF A700s Firmware | ||
| All of | ||
| netapp h300s firmware | ||
| netapp h300s | ||
| All of | ||
| NetApp H500S Firmware | ||
| netapp h500s | ||
| All of | ||
| netapp h700s firmware | ||
| netapp h700s | ||
| All of | ||
| netapp h300e firmware | ||
| netapp h300e | ||
| All of | ||
| netapp h500e firmware | ||
| netapp h500e | ||
| All of | ||
| netapp h700e firmware | ||
| netapp h700e | ||
| All of | ||
| netapp h410s firmware | ||
| netapp h410s | ||
| All of | ||
| netapp h410c firmware | ||
| netapp h410c | ||
| All of | ||
| netapp h610s firmware | ||
| netapp h610s | ||
| openSUSE | =15.0 | |
| openSUSE | =15.1 | |
| Debian GNU/Linux | =8.0 | |
| Fedoraproject Fedora | =29 | |
| Fedoraproject Fedora | =30 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.13-1 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.04 | |
| NetApp AFF A700s Firmware | ||
| NetApp AFF A700s Firmware | ||
| netapp h300s firmware | ||
| netapp h300s | ||
| NetApp H500S Firmware | ||
| netapp h500s | ||
| netapp h700s firmware | ||
| netapp h700s | ||
| netapp h300e firmware | ||
| netapp h300e | ||
| netapp h500e firmware | ||
| netapp h500e | ||
| netapp h700e firmware | ||
| netapp h700e | ||
| netapp h410s firmware | ||
| netapp h410s | ||
| netapp h410c firmware | ||
| netapp h410c | ||
| netapp h610s firmware | ||
| netapp h610s | ||
| Debian | =8.0 | |
| Fedora | =29 | |
| Fedora | =30 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-15538 https://nvd.nist.gov/vuln/detail/CVE-2019-15538
- https://bugzilla.redhat.com/show_bug.cgi?id=1746777
- https://access.redhat.com/errata/RHSA-2020:2104
- https://access.redhat.com/security/cve/cve-2019-15538
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1fb254aa983bf190cfd685d40c64a480a9bafaee
- https://github.com/torvalds/linux/commit/1fb254aa983bf190cfd685d40c64a480a9bafaee
- https://lore.kernel.org/linux-xfs/20190823035528.GH1037422@magnolia/
- https://lore.kernel.org/linux-xfs/20190823192433.GA8736@eldamar.local
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4JZ6AEUKFWBHQAROGMQARJ274PQP2QP/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3RUDQJXRJQVGHCGR4YZWTQ3ECBI7TXH/
- https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
- https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
- https://usn.ubuntu.com/4144-1/
- https://security.netapp.com/advisory/ntap-20191004-0001/
- https://usn.ubuntu.com/4147-1/
- https://support.f5.com/csp/article/K32592426?utm_source=f5support&amp;utm_medium=RSS
- https://launchpad.net/bugs/cve/CVE-2019-15538
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1746779
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RUDQJXRJQVGHCGR4YZWTQ3ECBI7TXH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4JZ6AEUKFWBHQAROGMQARJ274PQP2QP/
- https://lore.kernel.org/linux-xfs/20190823035528.GH1037422%40magnolia/
- https://lore.kernel.org/linux-xfs/20190823192433.GA8736%40eldamar.local
- https://support.f5.com/csp/article/K32592426?utm_source=f5support&%3Butm_medium=RSS
- https://support.f5.com/csp/article/K32592426?utm_source=f5support&utm_medium=RSS
- https://git.kernel.org/linus/1fb254aa983bf190cfd685d40c64a480a9bafaee
- https://security-tracker.debian.org/tracker/CVE-2019-15538
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15538
- https://nvd.nist.gov/vuln/detail/CVE-2019-15538
- https://ubuntu.com/security/CVE-2019-15538
Frequently Asked Questions
What is the severity of CVE-2019-15538?
CVE-2019-15538 has been classified as a medium severity vulnerability due to its potential for denial of service.
How do I fix CVE-2019-15538?
To remediate CVE-2019-15538, update to kernel version 5.10.223-1 or higher, or apply the relevant security patches provided by your Linux distribution.
Which Linux kernels are affected by CVE-2019-15538?
CVE-2019-15538 affects Linux Kernel versions between 4.7 and 5.3.
What causes CVE-2019-15538?
CVE-2019-15538 is caused by a flaw in the XFS file system that prevents proper release of ILOCK during specific operations.
Is CVE-2019-15538 exploitable remotely?
CVE-2019-15538 is primarily regarded as a local denial of service vulnerability, but could potentially lead to remote denial of service under specific conditions.
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