CVE-2026-99087None▾ SunlitIn 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…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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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.
Linux >= 468dfca38b1a6fbdccd195d875599cb7c8875cd9 < 2e25842f0e4423e0efb243f56153d842ed6b933fLinux >= 468dfca38b1a6fbdccd195d875599cb7c8875cd9 < 69ed43ed8a174465fca1ba6bfbde53e4618c8956Linux >= 468dfca38b1a6fbdccd195d875599cb7c8875cd9 < 7d4d4f3b668d708d94f62ecdd33ac330a6fd8a84Linux 5.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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