CVE-2022-49364
5.5 · MEDIUMOverview
CVE-2022-49364 is a medium-severity vulnerability affecting linux linux_kernel. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix to clear dirty inode in f2fs_evict_inode()
As Yanming reported in bugzilla:
https://bugzilla.kernel.org/show_bug.cgi?id=215904
The kernel message is shown below:
kernel BUG at fs/f2fs/inode.c:825!
Call Trace:
evict+0x282/0x4e0
__dentry_kill+0x2b2/0x4d0
shrink_dentry_list+0x17c/0x4f0
shrink_dcache_parent+0x143/0x1e0
do_one_tree+0x9/0x30
shrink_dcache_for_umount+0x51/0x120
generic_shutdown_super+0x5c/0x3a0
kill_block_super+0x90/0xd0
kill_f2fs_super+0x225/0x310
deactivate_locked_super+0x78/0xc0
cleanup_mnt+0x2b7/0x480
task_work_run+0xc8/0x150
exit_to_user_mode_prepare+0x14a/0x150
syscall_exit_to_user_mode+0x1d/0x40
do_syscall_64+0x48/0x90
The root cause is: inode node and dnode node share the same nid,
so during f2fs_evict_inode(), dnode node truncation will invalidate
its NAT entry, so when truncating inode node, it fails due to
invalid NAT entry, result in inode is still marked as dirty, f
Remediation
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 3.8, < 5.4.198 | Affected |
References
Frequently Asked Questions
What is CVE-2022-49364?
CVE-2022-49364 is a medium-severity vulnerability affecting linux linux_kernel. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2022-49364?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-49364?
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-49364?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-49364 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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