CVE-2022-49293
CVE-2022-49293 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% (20th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2022-54933
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: initialize registers in nft_do_chain() Initialize registers to avoid stack leak into userspace.
Frequently asked questions
- What is CVE-2022-49293?
- In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: initialize registers in nft_do_chain() Initialize registers to avoid stack leak into userspace.
- How severe is CVE-2022-49293?
- CVE-2022-49293 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-2022-49293 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-49293?
- CVE-2022-49293 primarily affects Linux Linux Kernel. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-49293?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2022-49293 have an EU (EUVD) identifier?
- Yes. CVE-2022-49293 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-54933.
- When was CVE-2022-49293 published?
- CVE-2022-49293 was published on 2025-02-26 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/06f0ff82c70241a766a811ae1acf07d6e2734dcb
- https://git.kernel.org/stable/c/2c74374c2e88c7b7992bf808d9f9391f7452f9d9
- https://git.kernel.org/stable/c/4c905f6740a365464e91467aa50916555b28213d
- https://git.kernel.org/stable/c/4d28522acd1c4415c85f6b33463713a268f68965
- https://git.kernel.org/stable/c/64f24c76dd0ce53d0fa3a0bfb9aeea507c769485
- https://git.kernel.org/stable/c/88791b79a1eb2ba94e95d039243e28433583a67b
- https://git.kernel.org/stable/c/a3cc32863b175168283cb0a5fde08de6a1e27df9
- https://git.kernel.org/stable/c/dd03640529204ef4b8189fbdea08217d8d98271f
- https://git.kernel.org/stable/c/fafb904156fbb8f1dd34970cd5223e00b47c33be
Affected products (2)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:*:*:*:*:*:*:*
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