CVE-2022-49818
CVE-2022-49818 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% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-12952
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: mISDN: fix misuse of put_device() in mISDN_register_device() We should not release reference by put_device() before calling device_initialize().
Frequently asked questions
- What is CVE-2022-49818?
- In the Linux kernel, the following vulnerability has been resolved: mISDN: fix misuse of put_device() in mISDN_register_device() We should not release reference by put_device() before calling device_initialize().
- How severe is CVE-2022-49818?
- CVE-2022-49818 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-2022-49818 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-49818?
- CVE-2022-49818 primarily affects Linux Linux Kernel. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-49818?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2022-49818 have an EU (EUVD) identifier?
- Yes. CVE-2022-49818 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12952.
- When was CVE-2022-49818 published?
- CVE-2022-49818 was published on 2025-05-01 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/2d25107e111a85c56f601a5470f1780ec054e6ac
- https://git.kernel.org/stable/c/44658d65f6b3118f595a1229d7eed74845a5e2ac
- https://git.kernel.org/stable/c/596230471da3415e92ae6b9d2a4e26f4a81cac5a
- https://git.kernel.org/stable/c/709aa1f73d3e9e9ea16e2c4e44f2874c5d2c382c
- https://git.kernel.org/stable/c/81db4f182744acd004f17d7cc52dde9ea53467e6
- https://git.kernel.org/stable/c/83672c1b83d107b0d4fe0accf1bf64d8988398e6
- https://git.kernel.org/stable/c/87b336aa158201dc30a318431e63e8c5b26c4156
- https://git.kernel.org/stable/c/d40b35a7922f4df3767ad6fb8ef3dc86e31d7ba3
Affected products (6)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.333:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.14.299:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.4.224:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*
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