678270 – (CVE-2019-6974) sys-kernel/gentoo-sources: kvm_main.c mishandles reference counting (use-after-free) (CVE-2019-6974)

Bug 678270 (CVE-2019-6974) - sys-kernel/gentoo-sources: kvm_main.c mishandles reference counting (use-after-free) (CVE-2019-6974)

Summary: sys-kernel/gentoo-sources: kvm_main.c mishandles reference counting (use-afte...

Status:	RESOLVED FIXED

Alias:	CVE-2019-6974

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

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

URL:	https://git.kernel.org/pub/scm/linux/...
Whiteboard:	A3 [stable?]
Keywords:

Depends on:
Blocks:

Reported:	2019-02-18 04:09 UTC by D'juan McDonald (domhnall)
Modified:	2022-03-26 00:52 UTC (History)
CC List:	1 user (show)

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

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Description D'juan McDonald (domhnall) 2019-02-18 04:09:54 UTC

(https://nvd.nist.gov/vuln/detail/CVE-2019-6974):

In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.


Gentoo Security Padawan
(domhnall)

Comment 1 John Helmert III archtester

2022-03-26 00:52:25 UTC

Fixed in 4.9.156, 4.9.156, 4.14.99, 4.19.21.