Base Score

HIGH7.8

CVE-2023-45898

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.

VectorLOCAL

Published Bycve@mitre.org

Published DateOct 16, 2023, 03:15

Weakness Type (CWE):CWE-416

CVSS Metrics

Base Score

7.8

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Severity

HIGH

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

HIGH

Integrity (I)

HIGH

Availability (A)

HIGH

References

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

Base Score

HIGH7.8

Weakness Type (CWE):CWE-416

CVSS Metrics

Base Score

7.8

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Severity

HIGH

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

HIGH

Integrity (I)

HIGH

Availability (A)

HIGH