CVE-2022-49681
CVE-2022-49681 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% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2022-54552
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: xtensa: xtfpga: Fix refcount leak bug in setup In machine_setup(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
Frequently asked questions
- What is CVE-2022-49681?
- In the Linux kernel, the following vulnerability has been resolved: xtensa: xtfpga: Fix refcount leak bug in setup In machine_setup(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
- How severe is CVE-2022-49681?
- CVE-2022-49681 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-2022-49681 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-49681?
- CVE-2022-49681 primarily affects Linux Linux Kernel. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-49681?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2022-49681 have an EU (EUVD) identifier?
- Yes. CVE-2022-49681 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-54552.
- When was CVE-2022-49681 published?
- CVE-2022-49681 was published on 2025-02-26 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/0162451723178602c37f0555d235dfa17e486112
- https://git.kernel.org/stable/c/0715d0e60052662c3f225342062f174dd721d1c7
- https://git.kernel.org/stable/c/173940b3ae40114d4179c251a98ee039dc9cd5b3
- https://git.kernel.org/stable/c/35d7e961be68732eb3acaeba81fb81ca16eafd05
- https://git.kernel.org/stable/c/6c0839cf1b9e1b3c88da6af76794583cbfae8da3
- https://git.kernel.org/stable/c/9b30c5c8884eda3f541229899671cebbad15979b
- https://git.kernel.org/stable/c/a52972ee706b438302eb0350e61f378eb191e3d1
- https://git.kernel.org/stable/c/b12d5c52f073a0420622aaf2f21b615cce8b36cc
Affected products (4)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
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