CVE-2018-10323
MediumThe xfs_bmap_extents_to_btree function in fs/xfs/libxfs/xfs_bmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_bmapi_write NULL pointer dereference) via a crafted xfs image.
CVSS 3.0 score
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2018-10323 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2018-10323 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Securityfocushttp://www.securityfocus.com/bid/103959Third Party Advisory VDB Entry
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Exploit Issue Tracking Vendor Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3752-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3752-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3752-3/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3754-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4486-1/
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Debian Securityhttps://www.debian.org/security/2018/dsa-4188Third Party Advisory
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PatchKernel patch commithttps://www.spinics.net/lists/linux-xfs/msg17254.html
Frequently asked questions
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What is CVE-2018-10323?
CVE-2018-10323 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2018-10323 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2018-10323?
CVE-2018-10323 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2018-10323?
No patch is currently available for CVE-2018-10323. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2018-10323 actively exploited?
No — CVE-2018-10323 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →