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CVE-2016-4558

Published: May 23, 2016

Modified: Aug 6, 2024

PUBLISHED

Description

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted application on (1) a system with more than 32 Gb of memory, related to the program reference count or (2) a 1 Tb system, related to the map reference count.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

vendor-advisory

x_refsource_UBUNTU

https://bugzilla.redhat.com/show_bug.cgi?id=1334303

x_refsource_CONFIRM

vendor-advisory

x_refsource_UBUNTU

https://github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106e

x_refsource_CONFIRM

vendor-advisory

x_refsource_UBUNTU

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5

x_refsource_CONFIRM

[oss-security] 20160506 CVE Requests: Linux: BPF flaws (one use-after-free / local root privilege escalation)

mailing-list

x_refsource_MLIST

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92117d8443bc5afacc8d5ba82e541946310f106e

x_refsource_CONFIRM

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