CVE-2021-47600: dm btree remove: fix use after free in rebalance_children()
Published Jun 19, 2024
·Updated
In the Linux kernel, the following vulnerability has been resolved:
dm btree remove: fix use after free in rebalancechildren()
Move dmtmunlock() after dmtmdec().
Affected Software
7 affected components
Linux Linux kernel<4.4.296
Linux Linux kernel>=4.5<4.9.294
Linux Linux kernel>=4.10<4.14.259
Linux Linux kernel>=4.15<4.19.222
Linux Linux kernel>=4.20<5.4.168
Linux Linux kernel>=5.5<5.10.88
Linux Linux kernel>=5.11<5.15.11
Event History
Jun 19, 2024
CVE Published
via MITRE·02:54 PM
Data Sourced
via MITRE·02:54 PM
DescriptionSeverity
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-47600?
CVE-2021-47600 has been rated as a medium severity vulnerability in the Linux kernel.
2
How do I fix CVE-2021-47600?
To fix CVE-2021-47600, upgrade your Linux kernel to the latest version beyond the affected versions.
3
Which Linux kernel versions are affected by CVE-2021-47600?
CVE-2021-47600 affects Linux kernel versions up to 4.4.296 and between 4.5 and 5.15.11.
4
What type of vulnerability is CVE-2021-47600?
CVE-2021-47600 is classified as a use-after-free vulnerability found in the dm btree component of the Linux kernel.
5
Has CVE-2021-47600 been resolved?
Yes, CVE-2021-47600 has been resolved with a fix implemented in the Linux kernel.