CVE-2015-8963

low-risk
Published 2016-11-16

Race condition in kernel/events/core.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data structure during a CPU unplug operation.

Do I need to act?

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0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10 High
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Linux

References (8)

Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12ca6a...
Third Party Advisory http://source.android.com/security/bulletin/2016-11-01.html
Third Party Advisory http://www.securityfocus.com/bid/94207
Patch https://github.com/torvalds/linux/commit/12ca6ad2e3a896256f086497a7c7406a547ee37...
Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12ca6a...
Third Party Advisory http://source.android.com/security/bulletin/2016-11-01.html
Third Party Advisory http://www.securityfocus.com/bid/94207
Patch https://github.com/torvalds/linux/commit/12ca6ad2e3a896256f086497a7c7406a547ee37...
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal