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{"affected_release": [{"advisory": "RHSA-2023:0334", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-162.12.1.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-01-23T00:00:00Z"}, {"advisory": "RHSA-2023:0300", "cpe": "cpe:/a:redhat:enterprise_linux:9::nfv", "package": "kernel-rt-0:5.14.0-162.12.1.rt21.175.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-01-23T00:00:00Z"}, {"advisory": "RHSA-2023:0334", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-162.12.1.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-01-23T00:00:00Z"}], "bugzilla": {"description": "kernel: i2c: unbounded length leads to buffer overflow in ismt_access()", "id": "2123309", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2123309"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-120", "details": ["A buffer overflow vulnerability was found in the Linux kernel Intel\u2019s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. This flaw could allow a local user to crash the system.", "A buffer overflow vulnerability was found in the Linux kernel Intel\u2019s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. In particular, the userspace controllable \"data->block[0]\" variable was not capped to a number between 0-255 and then used as the size of a memcpy, thus possibly writing beyond the end of dma_buffer. This flaw could allow a privileged local user to crash the system."], "mitigation": {"lang": "en:us", "value": "This flaw can be mitigated by preventing the i2c-ismt module from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from being loaded automatically."}, "name": "CVE-2022-3077", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2022-06-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-3077\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-3077"], "statement": "Red Hat Enterprise Linux 6, 7 and 8 are not affected by this issue as they did not include support for I2C_SMBUS_BLOCK_PROC_CALL (upstream commit 5e9a97b).", "threat_severity": "Moderate", "upstream_fix": "kernel 5.19"}