CVEvulnerability
CVE-2022-49280
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-02-26
- Last modified
- 2026-08-04
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-191
Description
In the Linux kernel, the following vulnerability has been resolved:
NFSD: prevent underflow in nfssvc_decode_writeargs()
Smatch complains:
fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs()
warn: no lower bound on 'args->len'
Change the type to unsigned to prevent this issue.
Affected configurations
• linux linux kernel (< 4.9.311)
• linux linux kernel (>= 4.10 < 4.14.276)
• linux linux kernel (>= 4.15 < 4.19.238)
• linux linux kernel (>= 4.20 < 5.4.189)
• linux linux kernel (>= 5.5 < 5.10.110)
• linux linux kernel (>= 5.11 < 5.15.33)
• linux linux kernel (>= 5.16 < 5.16.19)
• linux linux kernel (>= 5.17 < 5.17.2)
Related
Weakness · CWE (1)
- CWE-191 Integer Underflow (Wrap or Wraparound) weakness
References
- https://git.kernel.org/stable/c/184416d4b98509fb4c3d8fc3d6dc1437896cc159 Patch
- https://git.kernel.org/stable/c/2764af8ce0bf03cc43ee4a11897cab96bde6caae Patch
- https://git.kernel.org/stable/c/413d8fefafe531a9442bb623e3fe292a38f88d65 Patch
- https://git.kernel.org/stable/c/614a61e1592051cc42d3c38f899c9f7bdaad8a1d Patch