Updated:
Description:
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors The error handling in nilfs_empty_dir() when a directory folio/page read fails is incorrect, as in the old ext2 implementation, and if the folio/page cannot be read or nilfs_check_folio() fails, it will falsely determine the directory as empty and corrupt the file system. In addition, since nilfs_empty_dir() does not immediately return on a failed folio/page read, but continues to loop, this can cause a long loop with I/O if i_size of the directory's inode is also corrupted, causing the log writer thread to wait and hang, as reported by syzbot. Fix these issues by making nilfs_empty_dir() immediately return a false value (0) if it fails to get a directory folio/page.
CVSS3: 5.5
| OS | Vendor version | Errata |
|---|---|---|
| Oracle Linux 7 UEK 5 | 4.14.35-2047.541.4.1.el7uek | ELSA-2024-12779 |
| Ubuntu 20.04 | 5.4.0-195.215 | USN-7003-1 |
| Oracle Linux 7 UEK 6 | 5.4.17-2136.335.4.el7uek | ELSA-2024-12610 |
| Oracle Linux 8 UEK 6 | 5.4.17-2136.335.4.el8uek | ELSA-2024-12610 |
| Ubuntu 20.04 AWS | 5.4.0-1132.142 | USN-7003-1 |
| Ubuntu 20.04 Azure | 5.4.0-1137.144 | USN-7003-1 |
| Debian 11 | 5.10.221-1 | DSA-5730-1 |
| Ubuntu 22.04 | 5.15.0-121.131 | USN-7007-1 |
| Ubuntu 22.04 AWS | 5.15.0-1069.75 | USN-7007-1 |
| Ubuntu 22.04 Azure | 5.15.0-1072.81 | USN-7009-1 |
| Debian 11 cloud | 5.10.221-1 | DSA-5730-1 |
| Ubuntu 20.04 HWE AWS | 5.15.0-1069.75~20.04.1 | USN-7007-1 |
| Ubuntu 20.04 HWE Azure | 5.15.0-1072.81~20.04.1 | USN-7009-1 |
| Ubuntu 20.04 GCP | 5.4.0-1136.145 | USN-7003-1 |
| Oracle Linux 9 UEK 7 | 5.15.0-210.163.7.el9uek | ELSA-2024-12618 |
| Oracle Linux 8 UEK 7 | 5.15.0-210.163.7.el8uek | ELSA-2024-12618 |
| Debian 12 | 6.1.99-1 | DSA-5731-1 |
| Ubuntu 24.04 | 6.8.0-44.44 | USN-6999-1 |
| OS | Original kernel version | State |
|---|---|---|
| Ubuntu 18.04 HWE Focal | |
Planned |
| Oracle Linux 7 UEK 5 |
4.14.35-1902.305.4.el7uek
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4.14.35-2047.540.4.2.el7uek
|
Released |
| Ubuntu 20.04 | |
Planned |
| Oracle Linux 7 UEK 6 |
5.4.17-2011.2.2.el7uek
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5.4.17-2011.1.2.el7uek
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5.4.17-2136.334.6.1.el7uek
|
Released |
| Oracle Linux 8 UEK 6 |
5.4.17-2011.2.2.el8uek
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5.4.17-2011.1.2.el8uek
5.4.17-2011.3.2.1.el8uek
5.4.17-2011.0.7.el8uek
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5.4.17-2136.334.6.1.el8uek
|
Released |
| Ubuntu 18.04 AWS Focal | |
Planned |
| Ubuntu 18.04 Azure Focal | |
Planned |
| Ubuntu 20.04 AWS | |
Planned |
| Ubuntu 20.04 Azure | |
Planned |
| Debian 11 | |
In Progress |
| Ubuntu 22.04 | |
Ready For Release |
| Ubuntu 22.04 AWS | |
Ready For Release |
| Ubuntu 22.04 Azure | |
Planned |
| Debian 11 cloud | |
In Progress |
| Ubuntu 20.04 HWE AWS | |
Ready For Release |
| Ubuntu 20.04 HWE Azure | |
Planned |
| Ubuntu 20.04 GCP | |
Planned |
| Oracle Linux 9 UEK 7 | |
Planned |
| Oracle Linux 8 UEK 7 | |
Planned |
| Debian 12 | |
Planned |
| Ubuntu 24.04 | |
Planned |