Bug 1757321 (CVE-2019-16413) - CVE-2019-16413 kernel: i_size_read() infinite loop leads to denial of service
Summary: CVE-2019-16413 kernel: i_size_read() infinite loop leads to denial of service
Keywords:
Status: NEW
Alias: CVE-2019-16413
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
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Depends On:
Blocks: 1757323
TreeView+ depends on / blocked
 
Reported: 2019-10-01 08:38 UTC by msiddiqu
Modified: 2019-10-07 08:14 UTC (History)
47 users (show)

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Description msiddiqu 2019-10-01 08:38:50 UTC
An issue was discovered in the Linux kernel. The 9p filesystem did not protect i_size_write() properly, which causes an i_size_read() infinite loop and denial of service on SMP systems.

Upstream patch: 

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5e3cc1ee1405a7eb3487ed24f786dec01b4cbe1f

References:  

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.4
https://patchwork.kernel.org/patch/10753365/


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