CVE-2019-19071
First published: Mon Nov 18 2019(Updated: )
A memory leak in the rsi_send_beacon() function in drivers/net/wireless/rsi/rsi_91x_mgmt.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering rsi_prepare_beacon() failures, aka CID-d563131ef23c.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.14<4.14.159 | |
| Linux Kernel | >=4.15<4.19.89 | |
| Linux Kernel | >=4.20<5.3.16 | |
| Linux Kernel | >=5.4.0<5.4.3 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =19.10 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.10 |
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Reference Links
- https://github.com/torvalds/linux/commit/d563131ef23cbc756026f839a82598c8445bc45f
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://usn.ubuntu.com/4258-1/
- https://usn.ubuntu.com/4284-1/
- https://usn.ubuntu.com/4287-1/
- https://usn.ubuntu.com/4287-2/
- https://launchpad.net/bugs/cve/CVE-2019-19071
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
- https://security-tracker.debian.org/tracker/CVE-2019-19071
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19071
- https://nvd.nist.gov/vuln/detail/CVE-2019-19071
- https://ubuntu.com/security/CVE-2019-19071
Frequently Asked Questions
What is the severity of CVE-2019-19071?
CVE-2019-19071 is classified as a high severity vulnerability due to its potential to cause denial of service through memory consumption.
How do I fix CVE-2019-19071?
To mitigate CVE-2019-19071, update the Linux kernel to version 5.10.223-1 or later.
Which Linux kernel versions are affected by CVE-2019-19071?
CVE-2019-19071 affects Linux kernel versions from 4.14 up to 5.3.11.
What causes CVE-2019-19071?
CVE-2019-19071 is caused by a memory leak in the rsi_send_beacon() function due to rsi_prepare_beacon() failures.
Is CVE-2019-19071 specific to any particular Linux distribution?
CVE-2019-19071 affects multiple distributions, including Ubuntu versions 14.04, 16.04, 18.04, and 19.10.
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