CVE-2020-25212

kernel: TOCTOU mismatch in the NFS client code

Published Sep 9, 2020 CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
Description
A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2385-1 linux-4.19 security update
Debian DLA Debian DLA DLA-2420-1 linux security update
Debian DLA Debian DLA DLA-2420-2 linux regression update
EUVD EUVD EUVD-2020-17902 A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.
Ubuntu USN Ubuntu USN USN-4525-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4527-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4578-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4752-1 Linux kernel (OEM) vulnerabilities
History

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