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osvGoogleOSV:CVE-2023-52787
HistoryMay 21, 2024 - 4:15 p.m.

CVE-2023-52787

2024-05-2116:15:00
Google
osv.dev
4
linux
kernel
vulnerability
resolved
bio integrity

AI Score

6.6

Confidence

Low

In the Linux kernel, the following vulnerability has been resolved: blk-mq: make sure active queue usage is held for bio_integrity_prep() blk_integrity_unregister() can come if queue usage counter isn’t held for one bio with integrity prepared, so this request may be completed with calling profile->complete_fn, then kernel panic. Another constraint is that bio_integrity_prep() needs to be called before bio merge. Fix the issue by: - call bio_integrity_prep() with one queue usage counter grabbed reliably - call bio_integrity_prep() before bio merge

AI Score

6.6

Confidence

Low