CVE-2023-45898

Description

The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.01%
Third-Party Advisory kernel.org Third-Party Advisory spinics.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/ third party advisory
https://www.spinics.net/lists/stable-commits/msg317086.html patch mailing list third party advisory
https://lkml.org/lkml/2023/8/13/477 patch mailing list
https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec patch
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4 release notes

Frequently Asked Questions

What is the severity of CVE-2023-45898?
CVE-2023-45898 has been scored as a high severity vulnerability.
How to fix CVE-2023-45898?
To fix CVE-2023-45898, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-45898 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-45898 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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