CVE-2026-31514None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: erofs: set fileio bio failed in short read case For file-backed mount, IO requests are handled by vfs_iocb_iter_read(). However, it can be interrupted by SIGKILL, retu…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
erofs: set fileio bio failed in short read case
For file-backed mount, IO requests are handled by vfs_iocb_iter_read(). However, it can be interrupted by SIGKILL, returning the number of bytes actually copied. Unused folios in bio are unexpectedly marked as uptodate.
vfs_read filemap_read filemap_get_pages filemap_readahead erofs_fileio_readahead erofs_fileio_rq_submit vfs_iocb_iter_read filemap_read filemap_get_pages <= detect signal erofs_fileio_ki_complete <= set all folios uptodate
This patch addresses this by setting short read bio with an error directly.
Linux >= ce63cb62d794c98c7631c2296fa845f2a8d0a4a1 < d1ba7d6b3cd1757b108d7b6856c92ae661d6c323Linux >= ce63cb62d794c98c7631c2296fa845f2a8d0a4a1 < 5cf3972c8221abdb1b464a14ccf8103d840b9085Linux >= ce63cb62d794c98c7631c2296fa845f2a8d0a4a1 < 5a5f23ef5431639db1ac3a0b274aef3a84cc413cLinux >= ce63cb62d794c98c7631c2296fa845f2a8d0a4a1 < eade54040384f54b7fb330e4b0975c5734850b3cLinux 6.12Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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