Bug 1774960 (CVE-2019-19069) - CVE-2019-19069 kernel: A memory leak in the fastrpc_dma_buf_attach() function in drivers/misc/fastrpc.c allows for a DoS
Summary: CVE-2019-19069 kernel: A memory leak in the fastrpc_dma_buf_attach() function...
Keywords:
Status: NEW
Alias: CVE-2019-19069
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1774961
Blocks: 1774962
TreeView+ depends on / blocked
 
Reported: 2019-11-21 10:40 UTC by Marian Rehak
Modified: 2019-11-27 07:25 UTC (History)
47 users (show)

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Description Marian Rehak 2019-11-21 10:40:56 UTC
A memory leak in the fastrpc_dma_buf_attach() function in drivers/misc/fastrpc.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering dma_get_sgtable() failures.

Upstream Issue:

https://github.com/torvalds/linux/commit/fc739a058d99c9297ef6bfd923b809d85855b9a9

Comment 1 Marian Rehak 2019-11-21 10:42:07 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1774961]

Comment 2 Justin M. Forbes 2019-11-21 15:38:38 UTC
This was fixed for Fedora in the 5.3.9 stabler kernel updates.


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