493012 – (CVE-2013-6405) Kernel: net: leakage of uninitialized memory to user-space via recv syscalls (CVE-2013-6405)

Bug 493012 (CVE-2013-6405) - Kernel: net: leakage of uninitialized memory to user-space via recv syscalls (CVE-2013-6405)

Summary: Kernel: net: leakage of uninitialized memory to user-space via recv syscalls ...

Status:	RESOLVED FIXED

Alias:	CVE-2013-6405

Product:	Gentoo Security
Classification:	Unclassified
Component:	Kernel (show other bugs)
Hardware:	All Linux

Importance:	Normal normal (vote)
Assignee:	Gentoo Kernel Security

URL:	https://bugzilla.redhat.com/show_bug....
Whiteboard:	[linux < 3.13_rc1]
Keywords:

Depends on:
Blocks:

Reported:	2013-12-01 09:13 UTC by Agostino Sarubbo
Modified:	2022-03-25 16:44 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

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Description Agostino Sarubbo gentoo-dev

2013-12-01 09:13:50 UTC

From ${URL} :

Linux kernel built with the networking support(CONFIG_NET), is vulnerable to a
memory leakage flaw. It occurs while doing the recvmsg(2), recvfrom(2),
recvmmsg(2) socket calls.

A user/program could use this flaw to leak kernel memory bytes.

Upstream fix:
-------------
 -> 
https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=bceaa90240b6019ed73b49965eac7d167610be69

 -> 
https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=85fbaa75037d0b6b786ff18658ddf0b4014ce2a4

Comment 1 John Helmert III archtester

2022-03-25 16:44:11 UTC

Fixes in 3.12.4