CVE-2026-89770Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: iomap: don't free integrity payload that doesn't exist fs_bio_integrity_alloc might not allocate a bio integrity payload if PI verification is disabled on the block de…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.1%
— → 4.7
none → medium
— → 4.7
none → medium
— → 5.5
none → medium
0.1% → 0.2%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
iomap: don't free integrity payload that doesn't exist
fs_bio_integrity_alloc might not allocate a bio integrity payload if PI verification is disabled on the block device. Check for that case before calling fs_bio_integrity_free in iomap_bio_read_folio_range_sync to avoid a NULL pointer dereferences.
Make the branch cover the PI verification as well - while fs_bio_integrity_verify works without an integrity payload, it requires one to actually do useful work.
Linux >= 0b10a370529cbd7b918c1eef43d409e43d9e0b78 < 65651f1001aa3638909bc58c7b2b46160692757bLinux >= 0b10a370529cbd7b918c1eef43d409e43d9e0b78 < 8a8685b32c0718cc7b2cb4d6202e5a5b8e0a8e2dLinux 7.1Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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