CVE-2021-47600

HIGH

Linux Kernel < 4.4.296 - Use-After-Free in dm btree remove rebalance_children

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: fix use after free in rebalance_children() Move dm_tm_unlock() after dm_tm_dec().

Scores

CVSS v3 7.8
EPSS 0.0027
EPSS Percentile 18.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (19)
Linux/Linux < 3.2
Linux/Linux 3.2
Linux/Linux 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 - 0e21e6cd5eebfc929ac5fa3b97ca2d4ace3cb6a3
Linux/Linux 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 - 1b8d2789dad0005fd5e7d35dab26a8e1203fb6da
Linux/Linux 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 - 293f957be5e39720778fb1851ced7f5fba6d51c3
Linux/Linux 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 - 501ecd90efdc9b2edc6c28852ecd098a4adf8f00
Linux/Linux 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 - 607beb420b3fe23b948a9bf447d993521a02fbbb
Linux/Linux 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 - 66ea642af6fd4eacb5d0271a922130fcf8700424
Linux/Linux 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 - a48f6a2bf33734ec5669ee03067dfb6c5b4818d6
Linux/Linux 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 - b03abd0aa09c05099f537cb05b8460c4298f0861
... and 9 more
Published Jun 19, 2024
Tracked Since Feb 18, 2026