Bug 1794404 (CVE-2019-19965) - CVE-2019-19965 kernel: NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery
Summary: CVE-2019-19965 kernel: NULL pointer dereference in drivers/scsi/libsas/sas_di...
Keywords:
Status: NEW
Alias: CVE-2019-19965
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1794405
Blocks: 1794406
TreeView+ depends on / blocked
 
Reported: 2020-01-23 14:14 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-02-13 13:39 UTC (History)
44 users (show)

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Description Guilherme de Almeida Suckevicz 2020-01-23 14:14:40 UTC
In the Linux kernel through 5.4.6, there is a NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related to a PHY down race condition.

Reference and upstream commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f70267f379b5e5e11bdc5d72a56bf17e5feed01f

Comment 1 Guilherme de Almeida Suckevicz 2020-01-23 14:15:28 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1794405]

Comment 2 Justin M. Forbes 2020-01-23 19:13:11 UTC
This is fixed for Fedora with the 5.4.9 stable kernel update.


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