CVE-2023-35788

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

Published Jun 16, 2023 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3508-1 linux security update
Debian DLA Debian DLA DLA-3623-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5448-1 linux security update
Debian DSA Debian DSA DSA-5480-1 linux security update
EUVD EUVD EUVD-2023-39785 An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.
Ubuntu USN Ubuntu USN USN-6192-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6193-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6194-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6205-1 Linux kernel (GKE) vulnerabilities
Ubuntu USN Ubuntu USN USN-6206-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6212-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6220-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6223-1 Linux kernel (Azure CVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6234-1 Linux kernel (Xilinx ZynqMP) vulnerability
Ubuntu USN Ubuntu USN USN-6235-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6256-1 Linux kernel (IoT) vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}