CVE-2023-4385
Last modified
CVE-2023-4385 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a missing sanity check.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a missing sanity check.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.18.19 |
References
- https://access.redhat.com/security/cve/CVE-2023-4385Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219272Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-4385Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219272Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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