Medium severity5.5NVD Advisory· Published Sep 15, 2025· Updated Jun 17, 2026
CVE-2022-50313
CVE-2022-50313
Description
In the Linux kernel, the following vulnerability has been resolved:
erofs: fix order >= MAX_ORDER warning due to crafted negative i_size
As syzbot reported [1], the root cause is that i_size field is a signed type, and negative i_size is also less than EROFS_BLKSIZ. As a consequence, it's handled as fast symlink unexpectedly.
Let's fall back to the generic path to deal with such unusual i_size.
[1] https://lore.kernel.org/r/[email protected]
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/0ab621fcdff1a58ff4de51a8590fa92a0ecd34benvdPatch
- git.kernel.org/stable/c/17a0cdbd7b0cf0fc0d7ca4187a67f8f1c18c291fnvdPatch
- git.kernel.org/stable/c/1dd73601a1cba37a0ed5f89a8662c90191df5873nvdPatch
- git.kernel.org/stable/c/6235fb899b25fd287d5e42635ff82196395708ccnvdPatch
- git.kernel.org/stable/c/acc2f40b980c61a9178b72cdedd150b829064997nvdPatch
- git.kernel.org/stable/c/b6c8330f5b0f22149957a2e4977fd0f01a9db7cdnvdPatch
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