Release Date: | 2025-05-01 | |
Impact: | Moderate | What is this? |
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix off-by-one error in do_split
Syzkaller detected a use-after-free issue in ext4_insert_dentry that was
caused by out-of-bounds access due to incorrect splitting in do_split.
BUG: KASAN: use-after-free in ext4_insert_dentry+0x36a/0x6d0 fs/ext4/namei.c:2109
Write of size 251 at addr ffff888074572f14 by task syz-executor335/5847
CPU: 0 UID: 0 PID: 5847 Comm: syz-executor335 Not tainted 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Call Trace:
See more information about CVE-2025-23150 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
Base Score: | 7.1 |
Vector String: | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Version: | 3.1 |
Attack Vector: | Local |
Attack Complexity: | Low |
Privileges Required: | Low |
User Interaction: | None |
Scope: | Unchanged |
Confidentiality Impact: | High |
Integrity Impact: | None |
Availability Impact: | High |
Platform | Errata | Release Date |
Oracle Linux version 10 (kernel) | ELSA-2025-9348 | 2025-07-03 |
Oracle Linux version 7 (kernel-uek) | ELSA-2025-20471 | 2025-07-14 |
Oracle Linux version 8 (kernel-uek) | ELSA-2025-20470 | 2025-07-14 |
Oracle Linux version 8 (kernel-uek) | ELSA-2025-20471 | 2025-07-14 |
Oracle Linux version 9 (kernel) | ELSA-2025-9302 | 2025-06-23 |
Oracle Linux version 9 (kernel-uek) | ELSA-2025-20470 | 2025-07-14 |
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