Ubuntu: (CVE-2021-47600): linux vulnerability

Ubuntu: (CVE-2021-47600): linux vulnerability

Severity

7

CVSS

(AV:L/AC:L/Au:S/C:C/I:C/A:C)

Published

06/19/2024

Created

11/21/2024

Added

11/19/2024

Modified

02/11/2025

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().

Solution(s)

• ubuntu-upgrade-linux
• ubuntu-upgrade-linux-aws
• ubuntu-upgrade-linux-aws-5-4
• ubuntu-upgrade-linux-aws-fips
• ubuntu-upgrade-linux-aws-hwe
• ubuntu-upgrade-linux-azure
• ubuntu-upgrade-linux-azure-4-15
• ubuntu-upgrade-linux-azure-5-4
• ubuntu-upgrade-linux-azure-fips
• ubuntu-upgrade-linux-bluefield
• ubuntu-upgrade-linux-fips
• ubuntu-upgrade-linux-gcp
• ubuntu-upgrade-linux-gcp-4-15
• ubuntu-upgrade-linux-gcp-5-4
• ubuntu-upgrade-linux-gcp-fips
• ubuntu-upgrade-linux-gkeop
• ubuntu-upgrade-linux-hwe
• ubuntu-upgrade-linux-hwe-5-4
• ubuntu-upgrade-linux-ibm
• ubuntu-upgrade-linux-ibm-5-4
• ubuntu-upgrade-linux-kvm
• ubuntu-upgrade-linux-oracle
• ubuntu-upgrade-linux-oracle-5-4
• ubuntu-upgrade-linux-raspi
• ubuntu-upgrade-linux-raspi-5-4

References

• https://attackerkb.com/topics/cve-2021-47600
• CVE - 2021-47600
• https://git.kernel.org/linus/1b8d2789dad0005fd5e7d35dab26a8e1203fb6da
• https://git.kernel.org/stable/c/0e21e6cd5eebfc929ac5fa3b97ca2d4ace3cb6a3
• https://git.kernel.org/stable/c/1b8d2789dad0005fd5e7d35dab26a8e1203fb6da
• https://git.kernel.org/stable/c/293f957be5e39720778fb1851ced7f5fba6d51c3
• https://git.kernel.org/stable/c/501ecd90efdc9b2edc6c28852ecd098a4adf8f00
• https://git.kernel.org/stable/c/607beb420b3fe23b948a9bf447d993521a02fbbb
• https://git.kernel.org/stable/c/66ea642af6fd4eacb5d0271a922130fcf8700424
• https://git.kernel.org/stable/c/a48f6a2bf33734ec5669ee03067dfb6c5b4818d6
• https://git.kernel.org/stable/c/b03abd0aa09c05099f537cb05b8460c4298f0861
• https://www.cve.org/CVERecord?id=CVE-2021-47600

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