Bug 1834829 (CVE-2020-12768) - CVE-2020-12768 kernel: memory leak in svm_cpu_init function in arch/x86/kvm/svm.c
Summary: CVE-2020-12768 kernel: memory leak in svm_cpu_init function in arch/x86/kvm/s...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2020-12768
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1834831
Blocks: 1834833
TreeView+ depends on / blocked
 
Reported: 2020-05-12 13:52 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-06-04 23:20 UTC (History)
47 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in the Linux kernel. A memory leak in svm_cpu_init() is possible leading to a system crash. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed: 2020-06-04 23:20:30 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2020-05-12 13:52:35 UTC 
An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak.

Reference and upstream commit:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d80b64ff297e40c2b6f7d7abc1b3eba70d22a068
Comment 1 Guilherme de Almeida Suckevicz 2020-05-12 13:53:32 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1834831]
Comment 2 Justin M. Forbes 2020-05-12 19:44:13 UTC 
This was fixed for Fedora with the 5.6 kernel rebases.
Comment 4 Product Security DevOps Team 2020-06-04 23:20:30 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-12768
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