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THREATINT
PUBLISHED

CVE-2024-27032

f2fs: fix to avoid potential panic during recovery

Reserved:2024-02-19
Published:2024-05-01
Updated:2024-05-13

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential panic during recovery During recovery, if FAULT_BLOCK is on, it is possible that f2fs_reserve_new_block() will return -ENOSPC during recovery, then it may trigger panic. Also, if fault injection rate is 1 and only FAULT_BLOCK fault type is on, it may encounter deadloop in loop of block reservation. Let's change as below to fix these issues: - remove bug_on() to avoid panic. - limit the loop count of block reservation to avoid potential deadloop.

Product status

Default status
unaffected

b1020a546779 before fe4de493572a
affected

2a7b12d4705b before 8844b2f8a3f0
affected

b29cc6e29b5e before d034810d02a5
affected

956fa1ddc132 before f26091a98131
affected

956fa1ddc132 before 21ec68234826
affected

Default status
affected

6.8
affected

Any version before 6.8
unaffected

6.1.83
unaffected

6.6.23
unaffected

6.7.11
unaffected

6.8.2
unaffected

6.9
unaffected

References

https://git.kernel.org/stable/c/fe4de493572a4263554903bf9c3afc5c196e15f0

https://git.kernel.org/stable/c/8844b2f8a3f0c428b74672f9726f9950b1a7764c

https://git.kernel.org/stable/c/d034810d02a5af8eb74debe29877dcaf5f00fdd1

https://git.kernel.org/stable/c/f26091a981318b5b7451d61f99bc073a6af8db67

https://git.kernel.org/stable/c/21ec68234826b1b54ab980a8df6e33c74cfbee58

cve.org CVE-2024-27032

nvd.nist.gov CVE-2024-27032

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