CVE-2022-49212

MEDIUM EPSS 15.9%
Published Feb 26, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init The reference counting issue happens in several error handling paths on a refcounted object "nc->dmac". In these paths, the function simply returns the error code, forgetting to balance the reference count of "nc->dmac", increased earlier by dma_request_channel(), which may cause refcount leaks. Fix it by decrementing the refcount of specific object in those error paths.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
15.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥4.12  –  <4.14.276
linuxlinux_kernel*≥4.15  –  <4.19.238
linuxlinux_kernel*≥4.20  –  <5.4.189
linuxlinux_kernel*≥5.5  –  <5.10.110
linuxlinux_kernel*≥5.11  –  <5.15.33
linuxlinux_kernel*≥5.16  –  <5.16.19
linuxlinux_kernel*≥5.17  –  <5.17.2

References 8

  • git.kernel.org https://git.kernel.org/stable/c/0856bf27057561f42b37df111603cf5a0d040294
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8baea2b96fa90af8d0f937caf4cf2105ee094d93
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9843c9c98f26c6ad843260b19bfdaa2598f2ae1e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9b08d211db4c447eb1a07df65e45e0aa772e0fa6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a3587259ae553e41d1ce8c7435351a5d6b299a11
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f1694169f3674cdf7553aed06864254635679878
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fe0e2ce5c87e9c0b9485ff566362030aa55972cf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fecbd4a317c95d73c849648c406bcf1b6a0ec1cf
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0856bf27057561f42b37df111603cf5a0d040294
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8baea2b96fa90af8d0f937caf4cf2105ee094d93
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9843c9c98f26c6ad843260b19bfdaa2598f2ae1e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9b08d211db4c447eb1a07df65e45e0aa772e0fa6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a3587259ae553e41d1ce8c7435351a5d6b299a11
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f1694169f3674cdf7553aed06864254635679878
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fe0e2ce5c87e9c0b9485ff566362030aa55972cf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fecbd4a317c95d73c849648c406bcf1b6a0ec1cf
    Patch