PT-2026-122064
CVE-2026-99087
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Published
2026-10-23
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Updated
2026-10-23
Description by
Score
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In the Linux kernel, the following vulnerability has been resolved:
dm-integrity: fix NULL pointer dereference when the 'R' flag is used
If the dm-integrity device has the SB FLAG DIRTY BITMAP flag set and the
user activates the device in the 'R' mode, a crash in dm integrity resume
happens because the function attempts to read the journal containing the
bitmap.
This patch makes dm-integrity skip any writes to the device in
dm integrity resume if the device is activated in the 'R' mode.
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