Bug 1781839 (CVE-2019-19462) - CVE-2019-19462 kernel: NULL pointer dereference in relay_open in kernel/relay.c
Summary: CVE-2019-19462 kernel: NULL pointer dereference in relay_open in kernel/relay.c
Keywords:
Status: NEW
Alias: CVE-2019-19462
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: 1781840
Blocks: 1781841
TreeView+ depends on / blocked
 
Reported: 2019-12-10 16:47 UTC by Guilherme de Almeida Suckevicz
Modified: 2019-12-29 12:46 UTC (History)
46 users (show)

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Description Guilherme de Almeida Suckevicz 2019-12-10 16:47:16 UTC
relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.

Reference and upstream commit:
https://lore.kernel.org/lkml/20191129013745.7168-1-dja@axtens.net/

Comment 1 Guilherme de Almeida Suckevicz 2019-12-10 16:52:25 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1781840]


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