vulnerability
Ubuntu: (CVE-2022-48877): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Aug 21, 2024 | Nov 19, 2024 | Sep 5, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
f2fs: let's avoid panic if extent_tree is not created
This patch avoids the below panic.
pc : __lookup_extent_tree+0xd8/0x760
lr : f2fs_do_write_data_page+0x104/0x87c
sp : ffffffc010cbb3c0
x29: ffffffc010cbb3e0 x28: 0000000000000000
x27: ffffff8803e7f020 x26: ffffff8803e7ed40
x25: ffffff8803e7f020 x24: ffffffc010cbb460
x23: ffffffc010cbb480 x22: 0000000000000000
x21: 0000000000000000 x20: ffffffff22e90900
x19: 0000000000000000 x18: ffffffc010c5d080
x17: 0000000000000000 x16: 0000000000000020
x15: ffffffdb1acdbb88 x14: ffffff888759e2b0
x13: 0000000000000000 x12: ffffff802da49000
x11: 000000000a001200 x10: ffffff8803e7ed40
x9 : ffffff8023195800 x8 : ffffff802da49078
x7 : 0000000000000001 x6 : 0000000000000000
x5 : 0000000000000006 x4 : ffffffc010cbba28
x3 : 0000000000000000 x2 : ffffffc010cbb480
x1 : 0000000000000000 x0 : ffffff8803e7ed40
Call trace:
__lookup_extent_tree+0xd8/0x760
f2fs_do_write_data_page+0x104/0x87c
f2fs_write_single_data_page+0x420/0xb60
f2fs_write_cache_pages+0x418/0xb1c
__f2fs_write_data_pages+0x428/0x58c
f2fs_write_data_pages+0x30/0x40
do_writepages+0x88/0x190
__writeback_single_inode+0x48/0x448
writeback_sb_inodes+0x468/0x9e8
__writeback_inodes_wb+0xb8/0x2a4
wb_writeback+0x33c/0x740
wb_do_writeback+0x2b4/0x400
wb_workfn+0xe4/0x34c
process_one_work+0x24c/0x5bc
worker_thread+0x3e8/0xa50
kthread+0x150/0x1b4
Solutions
References
- CVE-2022-48877
- https://attackerkb.com/topics/CVE-2022-48877
- URL-https://git.kernel.org/linus/df9d44b645b83fffccfb4e28c1f93376585fdec8
- URL-https://git.kernel.org/stable/c/1c38cdc747f00daf7394535eae5afc4c503c59bb
- URL-https://git.kernel.org/stable/c/2c129e868992621a739bdd57a5bffa3985ef1b91
- URL-https://git.kernel.org/stable/c/557e85ff9afef6d45020b6f09357111d38033c31
- URL-https://git.kernel.org/stable/c/72009139a661ade5cb1da4239734ed02fa1cfff0
- URL-https://git.kernel.org/stable/c/dd83a9763e29ed7a21c8a43f7a62cd0a6bf74692
- URL-https://git.kernel.org/stable/c/df9d44b645b83fffccfb4e28c1f93376585fdec8
- URL-https://git.kernel.org/stable/c/ff85a1dbd90d29f73033177ff8d8de4a27d9721c
- URL-https://www.cve.org/CVERecord?id=CVE-2022-48877
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