ntfs: add sanity check on allocation size
Priority LOW 24Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00268 19th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.9.311, 4.14.276, 4.19.238 +6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 2.6.12 and later | 4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.110, 5.15.33, 5.16.19, 5.17.2, 5.18 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.12 and later Fixed in 4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.110, 5.15.33, 5.16.19, 5.17.2, 5.18 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.9.311; 4.10 to before 4.14.276; 4.15 to before 4.19.238; 4.20 to before 5.4.189; 5.5 to before 5.10.110; 5.11 to before 5.15.33; 5.16 to before 5.16.19; 5.17 to before 5.17.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.9.311; 4.10 to before 4.14.276; 4.15 to before 4.19.238; 4.20 to before 5.4.189; 5.5 to before 5.10.110; 5.11 to before 5.15.33; 5.16 to before 5.16.19; 5.17 to before 5.17.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.110, 5.15.33, 5.16.19, 5.17.2, 5.18
Vendor assessments
Red Hat
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49166
- 2026-10-03 Alias added: GHSA-v6vg-37g3-2xrq
References
Patch 9
- https://git.kernel.org/stable/c/bd8d7daa0e53b184a2f3c6e0d47330780d0a0650
- https://git.kernel.org/stable/c/21d490232f323ed4053eb9924615e6fea291f154
- https://git.kernel.org/stable/c/07793d2e55563124108762f4e5f811db92ffe02f
- https://git.kernel.org/stable/c/fe41ad8be036a3de3e4bdde709551aeb4de2fe7d
- https://git.kernel.org/stable/c/b230f2d9441a34c7f483d39ab78519bcf73cc2e0
- https://git.kernel.org/stable/c/24ab2d4ef52c2dbb62a60844b87fc8872383407a
- https://git.kernel.org/stable/c/115fae2c1566eacc5ad2055f72521354612e72c3
- https://git.kernel.org/stable/c/c641087d381a08363e5f14179bc6b0a23eca7c47
- https://git.kernel.org/stable/c/714fbf2647b1a33d914edd695d4da92029c7e7c0
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-49166 · CVE Program
- CVE-2022-49166 · NVD
- FIRST EPSS
- GHSA-v6vg-37g3-2xrq · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49166 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences