CVE-2023-45898
Published: October 16, 2023Last modified: October 16, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | Stream | linux-lts | Fixed (6.1.68-r0) |
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://lore.kernel.org/lkml/[email protected]/T/
- https://www.spinics.net/lists/stable-commits/msg317086.html