CVE-2022-49428
5.5 · MEDIUMOverview
CVE-2022-49428 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 do sanity check on inline_dots inode
As Wenqing reported in bugzilla:
https://bugzilla.kernel.org/show_bug.cgi?id=215765
It will cause a kernel panic with steps:
- mkdir mnt
- mount tmp40.img mnt
- ls mnt
folio_mark_dirty+0x33/0x50
f2fs_add_regular_entry+0x541/0xad0 [f2fs]
f2fs_add_dentry+0x6c/0xb0 [f2fs]
f2fs_do_add_link+0x182/0x230 [f2fs]
__recover_dot_dentries+0x2d6/0x470 [f2fs]
f2fs_lookup+0x5af/0x6a0 [f2fs]
__lookup_slow+0xac/0x200
lookup_slow+0x45/0x70
walk_component+0x16c/0x250
path_lookupat+0x8b/0x1f0
filename_lookup+0xef/0x250
user_path_at_empty+0x46/0x70
vfs_statx+0x98/0x190
__do_sys_newlstat+0x41/0x90
__x64_sys_newlstat+0x1a/0x30
do_syscall_64+0x37/0xb0
entry_SYSCALL_64_after_hwframe+0x44/0xae
The root cause is for special file: e.g. character, block, fifo or
socket file, f2fs doesn't assign address space operations pointer array
for mapping->a_ops field, so, in a fuzzed image, if inline_d
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 | >= 4.1, < 5.15.46 | Affected |
Frequently Asked Questions
What is CVE-2022-49428?
CVE-2022-49428 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-2022-49428?
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-2022-49428?
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-2022-49428?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-49428 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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