CVE-2024-27032: f2fs: fix to avoid potential panic during recovery
First published: Wed May 01 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/21ec68234826b1b54ab980a8df6e33c74cfbee58
- 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/fe4de493572a4263554903bf9c3afc5c196e15f0
- https://launchpad.net/bugs/cve/CVE-2024-27032
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27032
- https://nvd.nist.gov/vuln/detail/CVE-2024-27032
- https://security-tracker.debian.org/tracker/CVE-2024-27032
- https://ubuntu.com/security/CVE-2024-27032
- https://git.kernel.org/linus/21ec68234826b1b54ab980a8df6e33c74cfbee58
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