CVE-2020-24394
HighIn the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.
CVSS 3.1 score
7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness type
CWE-732CVE-2020-24394 is classified as CWE-732
See CWE-732 on MITRE CWE for full details on this weakness type.
References
The following references provide additional information about CVE-2020-24394 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Debian Securityhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254Issue Tracking Third Party Advisory
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Release Notes Vendor Advisory
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4465-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4483-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4485-1/Third Party Advisory
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Starwindsoftwarehttps://www.starwindsoftware.com/security/sw-20210325-0004/Third Party Advisory
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832
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PatchKernel patch commithttps://www.oracle.com/security-alerts/cpuApr2021.html
Frequently asked questions
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What is CVE-2020-24394?
CVE-2020-24394 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 . CVE-2020-24394 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-2020-24394?
CVE-2020-24394 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. -
Is there a patch available for CVE-2020-24394?
No patch is currently available for CVE-2020-24394. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2020-24394 actively exploited?
No — CVE-2020-24394 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.