Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-53796
CVE-2023-53796:
Linux Debian vulnerability analysis and mitigation
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix information leak in f2fs_move_inline_dirents()
When converting an inline directory to a regular one, f2fs is leaking uninitialized memory to disk because it doesn't initialize the entire directory block. Fix this by zero-initializing the block.
This bug was introduced by commit 4ec17d688d74 ("f2fs: avoid unneeded initializing when converting inline dentry"), which didn't consider the security implications of leaking uninitialized memory to disk.
This was found by running xfstest generic/435 on a KMSAN-enabled kernel.
Source: NVD
Related Linux Debian vulnerabilities:
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