CVE - CVE-2022-49380

CVE-ID
CVE-2022-49380	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid f2fs_bug_on() in dec_valid_node_count() As Yanming reported in bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=215897 I have encountered a bug in F2FS file system in kernel v5.17. The kernel should enable CONFIG_KASAN=y and CONFIG_KASAN_INLINE=y. You can reproduce the bug by running the following commands: The kernel message is shown below: kernel BUG at fs/f2fs/f2fs.h:2511! Call Trace: f2fs_remove_inode_page+0x2a2/0x830 f2fs_evict_inode+0x9b7/0x1510 evict+0x282/0x4e0 do_unlinkat+0x33a/0x540 __x64_sys_unlinkat+0x8e/0xd0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae The root cause is: .total_valid_block_count or .total_valid_node_count could fuzzed to zero, then once dec_valid_node_count() was called, it will cause BUG_ON(), this patch fixes to print warning info and set SBI_NEED_FSCK into CP instead of panic.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/2766ddaf45b69252bb8fe526b5b6e56904a9ae7a URL:https://git.kernel.org/stable/c/2766ddaf45b69252bb8fe526b5b6e56904a9ae7a MISC:https://git.kernel.org/stable/c/4d17e6fe9293d57081ffdc11e1cf313e25e8fd9e URL:https://git.kernel.org/stable/c/4d17e6fe9293d57081ffdc11e1cf313e25e8fd9e MISC:https://git.kernel.org/stable/c/89d9a48d0cd30429463ea4e37ca83be6773ed5eb URL:https://git.kernel.org/stable/c/89d9a48d0cd30429463ea4e37ca83be6773ed5eb MISC:https://git.kernel.org/stable/c/bce859358d3d5940aa858e40ceee70ee6e76130e URL:https://git.kernel.org/stable/c/bce859358d3d5940aa858e40ceee70ee6e76130e MISC:https://git.kernel.org/stable/c/ccffa99ae6a1f44797b57444c6a80382a42928fe URL:https://git.kernel.org/stable/c/ccffa99ae6a1f44797b57444c6a80382a42928fe MISC:https://git.kernel.org/stable/c/f8b3c3fcf33105bc1ee7788e3b51b0a1ae42ae53 URL:https://git.kernel.org/stable/c/f8b3c3fcf33105bc1ee7788e3b51b0a1ae42ae53
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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