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Debian: CVE-2024-39494: linux, linux-6.1 -- security update

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Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
07/12/2024
Added
07/18/2024
Modified
01/30/2025

Description

In the Linux kernel, the following vulnerability has been resolved:

ima: Fix use-after-free on a dentry's dname.name

->d_name.name can change on rename and the earlier value can be freed;
there are conditions sufficient to stabilize it (->d_lock on dentry,
->d_lock on its parent, ->i_rwsem exclusive on the parent's inode,
rename_lock), but none of those are met at any of the sites. Take a stable
snapshot of the name instead.

Solution(s)

debian-upgrade-linuxdebian-upgrade-linux-6-1

References

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