CVE-2019-15917: Use After Free
First published: Wed Sep 04 2019(Updated: )
An issue was discovered in the Linux kernel before 5.0.5. There is a use-after-free issue when hci_uart_register_dev() fails in hci_uart_set_proto() in drivers/bluetooth/hci_ldisc.c.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=3.12.61<3.13 | |
| Linux Linux kernel | >=4.7<4.9.202 | |
| Linux Linux kernel | >=4.10<4.14.109 | |
| Linux Linux kernel | >=4.15<4.19.32 | |
| Linux Linux kernel | >=4.20<5.0.5 | |
| Debian Debian Linux | =8.0 | |
| openSUSE Leap | =15.0 | |
| openSUSE Leap | =15.1 | |
| redhat/kernel-rt | <0:3.10.0-1160.rt56.1131.el7 | 0:3.10.0-1160.rt56.1131.el7 |
| redhat/kernel-alt | <0:4.14.0-115.26.1.el7a | 0:4.14.0-115.26.1.el7a |
| redhat/kernel | <0:3.10.0-1160.el7 | 0:3.10.0-1160.el7 |
| redhat/kernel | <0:3.10.0-1062.43.1.el7 | 0:3.10.0-1062.43.1.el7 |
| redhat/kernel-rt | <0:4.18.0-240.rt7.54.el8 | 0:4.18.0-240.rt7.54.el8 |
| redhat/kernel | <0:4.18.0-240.el8 | 0:4.18.0-240.el8 |
Remedy
To mitigate this issue, prevent module hci_uart from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
- http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.5
- https://github.com/torvalds/linux/commit/56897b217a1d0a91c9920cb418d6b3fe922f590a
- https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://seclists.org/bugtraq/2020/Jan/10
- https://security.netapp.com/advisory/ntap-20191004-0001/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1760101
- https://access.redhat.com/solutions/41278
- https://access.redhat.com/errata/RHSA-2020:2854
- https://access.redhat.com/security/cve/cve-2019-15917
- https://access.redhat.com/errata/RHSA-2020:4062
- https://access.redhat.com/errata/RHSA-2020:4060
- https://access.redhat.com/errata/RHSA-2020:4431
- https://access.redhat.com/errata/RHSA-2020:4609
- https://access.redhat.com/errata/RHSA-2021:0019
- https://bugzilla.redhat.com/show_bug.cgi?id=1760100
- https://www.cve.org/CVERecord?id=CVE-2019-15917 https://nvd.nist.gov/vuln/detail/CVE-2019-15917
Parent vulnerabilities
(Appears in the following advisories)
- collector/nvd-api
- collector/redhat-cve
- collector/nvd-index
- agent/author
- agent/type
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2019-15917
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/severity
- agent/references
- agent/remedy
- agent/weakness
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/3.12.61
- version/linux linux kernel/4.7
- version/linux linux kernel/4.10
- version/linux linux kernel/4.15
- version/linux linux kernel/4.20
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.0
- version/opensuse leap/15.1
- package-manager/redhat