CVE-2022-49166
CVE-2022-49166 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2022-55059
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: ntfs: add sanity check on allocation size ntfs_read_inode_mount invokes ntfs_malloc_nofs with zero allocation size. It triggers one BUG in the __ntfs_malloc function. Fix this by adding sanity check on ni->attr_list_size.
Frequently asked questions
- What is CVE-2022-49166?
- In the Linux kernel, the following vulnerability has been resolved: ntfs: add sanity check on allocation size ntfs_read_inode_mount invokes ntfs_malloc_nofs with zero allocation size. It triggers one BUG in the __ntfs_malloc function. Fix this by adding sanity check on ni->attr_list_size.
- How severe is CVE-2022-49166?
- CVE-2022-49166 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-49166 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-49166?
- CVE-2022-49166 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-49166?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2022-49166 have an EU (EUVD) identifier?
- Yes. CVE-2022-49166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55059.
- When was CVE-2022-49166 published?
- CVE-2022-49166 was published on 2025-02-26 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/07793d2e55563124108762f4e5f811db92ffe02f
- https://git.kernel.org/stable/c/115fae2c1566eacc5ad2055f72521354612e72c3
- https://git.kernel.org/stable/c/21d490232f323ed4053eb9924615e6fea291f154
- https://git.kernel.org/stable/c/24ab2d4ef52c2dbb62a60844b87fc8872383407a
- https://git.kernel.org/stable/c/714fbf2647b1a33d914edd695d4da92029c7e7c0
- https://git.kernel.org/stable/c/b230f2d9441a34c7f483d39ab78519bcf73cc2e0
- https://git.kernel.org/stable/c/bd8d7daa0e53b184a2f3c6e0d47330780d0a0650
- https://git.kernel.org/stable/c/c641087d381a08363e5f14179bc6b0a23eca7c47
- https://git.kernel.org/stable/c/fe41ad8be036a3de3e4bdde709551aeb4de2fe7d
Affected products (1)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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