An issue was discovered in fs/nfs/dir.c in the Linux kernel...
Vulnerability Description
An issue was discovered in fs/nfs/dir.c in the Linux kernel before 5.16.5. If an application sets the O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() performs a regular lookup. If a regular file is found, ENOTDIR should occur, but the server instead returns uninitialized data in the file descriptor.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.spinics.net/lists/stable/msg531976.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5
- https://github.com/torvalds/linux/commit/ac795161c93699d600db16c1a8cc23a65a1eceaf
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac795161c93699d600db16c1a8cc23a65a1eceaf
- https://www.debian.org/security/2022/dsa-5092
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://www.debian.org/security/2022/dsa-5096
- https://lore.kernel.org/all/67d6a536-9027-1928-99b6-af512a36cd1a%40huawei.com/T/
- https://github.com/torvalds/linux/commit/ab0fc21bc7105b54bafd85bd8b82742f9e68898a
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Weaknesses (CWE)
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