CVE-2018-10323: Null Pointer Dereference

Published Apr 24, 2018
·
Updated

Last updated 25 April 2025

Other sources

The xfsbmapextentstobtree function in fs/xfs/libxfs/xfsbmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfsbmapiwrite NULL pointer dereference) via a crafted xfs image.

— Launchpad

Affected Software

6 affected componentsFixes available
Linux Linux kernel<=4.16.3
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Debian Debian Linux=9.0
debian/linux
6.1.176-16.1.190-16.12.107-16.12.113-17.2.12-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1

Event History

Apr 24, 2018
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2018-10323?

CVE-2018-10323 has a severity rating that indicates it can cause a denial of service due to a NULL pointer dereference.

2

How do I fix CVE-2018-10323?

To fix CVE-2018-10323, upgrade to a patched version of the Linux kernel that is beyond 4.16.3, such as version 5.10.223-1 or later.

3

Which systems are affected by CVE-2018-10323?

CVE-2018-10323 affects the Linux kernel versions up to and including 4.16.3 and specific distributions like Ubuntu 14.04, 16.04, 18.04, and Debian 9.0.

4

What type of vulnerability is CVE-2018-10323?

CVE-2018-10323 is a local denial of service vulnerability caused by the xfs_bmap_extents_to_btree function in the Linux kernel.

5

Can CVE-2018-10323 be exploited remotely?

No, CVE-2018-10323 requires local user access to exploit the vulnerability.

Contact

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