Use After Free Affecting kernel package, versions <0:4.14.262-200.489.amzn2
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-AMZN2-KERNEL-7678808
- published 14 Aug 2024
- disclosed 19 Jun 2024
Introduced: 19 Jun 2024
CVE-2021-47600 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.262-200.489.amzn2 or higher.
This issue was patched in ALAS2-2022-1749.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
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().
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47600
- 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
CVSS Scores
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