CVSS Score of 10 (low)


Published Jun 16, 2023
Updated: Nov 2, 2023
CWE ID 787


CVE-2023-35788 is a vulnerability that affects the Linux kernel before version 6.3.7. The vulnerability, categorized as CWE-787 (Out-of-bounds Write), is present in the fl_set_geneve_opt function in net/sched/cls_flower.c. It allows an attacker to perform an out-of-bounds write in the flower classifier code through TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This vulnerability can lead to denial of service or privilege escalation. The affected products include Qtrc2o, ohMfk4, Qtrc2i, ohMfk3, ohMfk2, Qtrc2m, QtrdW7, ohMfku, and many others. A patch or update to the Linux kernel version 6.3.7 or higher is recommended to remediate this vulnerability and mitigate potential risks to organizations using the affected products. The CVE has a base score of 7.8 (HIGH severity) according to [email protected] and may only require low privileges to exploit with no user interaction required.

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