CVE-2022-49790
CVE-2022-49790 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. The underlying weakness is classified as CWE-908.
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-2025-12986
- Weakness: CWE-908
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: Input: iforce - invert valid length check when fetching device IDs syzbot is reporting uninitialized value at iforce_init_device() [1], for commit 6ac0aec6b0a6 ("Input: iforce - allow callers supply data buffer when fetching device IDs") is checking that valid length is shorter than bytes to read. Since iforce_get_id_packet() stores valid length when returning 0, the caller needs to check that valid length is longer than or equals to bytes to read.
Frequently asked questions
- What is CVE-2022-49790?
- In the Linux kernel, the following vulnerability has been resolved: Input: iforce - invert valid length check when fetching device IDs syzbot is reporting uninitialized value at iforce_init_device() [1], for commit 6ac0aec6b0a6 ("Input: iforce - allow callers supply data buffer when fetching device IDs") is checking that valid length is shorter than bytes to read. Since iforce_get_id_packet() stores valid length when returning 0, the caller needs to check that valid length is longer than or equals to bytes to read.
- How severe is CVE-2022-49790?
- CVE-2022-49790 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-2022-49790 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-2022-49790?
- CVE-2022-49790 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-2022-49790?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2022-49790 have an EU (EUVD) identifier?
- Yes. CVE-2022-49790 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12986.
- When was CVE-2022-49790 published?
- CVE-2022-49790 was published on 2025-05-01 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/24cc679abbf31477d0cc6106ec83c2fbae6b3cdf
- https://git.kernel.org/stable/c/5d53797ce7ce8fb1d95a5bebc5efa9418c4217a3
- https://git.kernel.org/stable/c/6365569d62a75ddf53fb0c2936c16587a365984c
- https://git.kernel.org/stable/c/b8ebf250997c5fb253582f42bfe98673801ebebd
- https://git.kernel.org/stable/c/fdd57c20d4408cac3c3c535c120d244e083406c9
Affected products (6)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*
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