CVE-2021-47278

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: pci_generic: Fix possible use-after-free in mhi_pci_remove() This driver's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free. Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

26 Dec 2024, 20:48

Type Values Removed Values Added
CWE CWE-416
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.8
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/c597d5c59c7a6417dba06590f59b922e01188e8d - () https://git.kernel.org/stable/c/c597d5c59c7a6417dba06590f59b922e01188e8d - Patch
References () https://git.kernel.org/stable/c/0b67808ade8893a1b3608ddd74fac7854786c919 - () https://git.kernel.org/stable/c/0b67808ade8893a1b3608ddd74fac7854786c919 - Patch

21 May 2024, 15:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-05-21 15:15

Updated : 2024-12-26 20:48


NVD link : CVE-2021-47278

Mitre link : CVE-2021-47278


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free