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CVE-2018-20836

CVE-2018-20836

EPSS 5.1%
An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.
Affected products
n/a · n/a

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References
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.htmlhttps://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16aehttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16aehttps://lists.debian.org/debian-lts-announce/2019/08/msg00016.htmlhttps://lists.debian.org/debian-lts-announce/2019/08/msg00017.htmlhttps://seclists.org/bugtraq/2019/Aug/13https://seclists.org/bugtraq/2019/Aug/18https://security.netapp.com/advisory/ntap-20190719-0003/https://support.f5.com/csp/article/K11225249https://usn.ubuntu.com/4076-1/https://www.debian.org/security/2019/dsa-4495