CVE-2021-47049

2024-02-2809:15:40

Debian Security Bug Tracker

security-tracker.debian.org

linux kernel

use after free

drivers: hv: vmbus

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.6%

JSON

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The “open_info” variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees “open_info” without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 5.10.38-1linux_5.10.38-1_all.deb
Debian11alllinux< 5.10.38-1linux_5.10.38-1_all.deb
Debian10alllinux<= 4.19.249-2linux_4.19.249-2_all.deb
Debian999alllinux< 5.10.38-1linux_5.10.38-1_all.deb
Debian13alllinux< 5.10.38-1linux_5.10.38-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 5.10.38-1	linux_5.10.38-1_all.deb
Debian	11	all	linux	< 5.10.38-1	linux_5.10.38-1_all.deb
Debian	10	all	linux	<= 4.19.249-2	linux_4.19.249-2_all.deb
Debian	999	all	linux	< 5.10.38-1	linux_5.10.38-1_all.deb
Debian	13	all	linux	< 5.10.38-1	linux_5.10.38-1_all.deb