CVE-2018-17972: Race Condition
First published: Wed Oct 03 2018(Updated: )
An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel . An attacker with a local account can trick the stack unwinder code to leak stack contents to userspace. The fix allows only root may inspect the kernel stack of an arbitrary task. Upstream patch: <a href="https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2">https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 | |
| Linux Kernel | <=4.18.11 | |
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =18.10 | |
| redhat enterprise Linux desktop | =7.0 | |
| redhat enterprise Linux server | =7.0 | |
| redhat enterprise Linux server | =7.6 | |
| redhat enterprise Linux server aus | =7.6 | |
| redhat enterprise Linux server eus | =7.6 | |
| redhat enterprise Linux server tus | =7.6 | |
| redhat enterprise Linux workstation | =7.0 | |
| Debian Debian Linux | =8.0 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- http://www.securityfocus.com/bid/105525
- https://access.redhat.com/errata/RHSA-2019:0512
- https://access.redhat.com/errata/RHSA-2019:0514
- https://access.redhat.com/errata/RHSA-2019:0831
- https://access.redhat.com/errata/RHSA-2019:2473
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2
- https://support.f5.com/csp/article/K27673650?utm_source=f5support&utm_medium=RSS
- https://usn.ubuntu.com/3821-1/
- https://usn.ubuntu.com/3821-2/
- https://usn.ubuntu.com/3832-1/
- https://usn.ubuntu.com/3835-1/
- https://usn.ubuntu.com/3871-1/
- https://usn.ubuntu.com/3871-3/
- https://usn.ubuntu.com/3871-4/
- https://usn.ubuntu.com/3871-5/
- https://usn.ubuntu.com/3880-1/
- https://usn.ubuntu.com/3880-2/
- https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2
- https://support.f5.com/csp/article/K27673650?utm_source=f5support&amp;utm_medium=RSS
- https://launchpad.net/bugs/cve/CVE-2018-17972
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1636352
- https://bugzilla.redhat.com/show_bug.cgi?id=1636349
- https://support.f5.com/csp/article/K27673650?utm_source=f5support&%3Butm_medium=RSS
- https://git.kernel.org/linus/f8a00cef17206ecd1b30d3d9f99e10d9fa707aa7
- https://security-tracker.debian.org/tracker/CVE-2018-17972
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17972
- https://nvd.nist.gov/vuln/detail/CVE-2018-17972
- https://ubuntu.com/security/CVE-2018-17972
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