CVE-2023-2898
MediumThere is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem.
CVSS 3.1 score
4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2023-2898 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-2023-2898 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Mailing List Third Party Advisory
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Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2023/dsa-5480Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2023/dsa-5492Third Party Advisory
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PatchKernel patch commithttps://lore.kernel.org/linux-f2fs-devel/20230522124203.3838360-1-chao%40kernel.org/
Frequently asked questions
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What is CVE-2023-2898?
CVE-2023-2898 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2023-2898 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-2023-2898?
CVE-2023-2898 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2023-2898?
No patch is currently available for CVE-2023-2898. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2023-2898 actively exploited?
No — CVE-2023-2898 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 →