title: NULL-ptr-deref in network sched
description: NULL Pointer Dereference vulnerability in openEuler kernel on Linux (network modules) allows Pointer Manipulation. This vulnerability is associated with program files net/sched/sch_cbs.C.
This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3.
problem types: CWE-476 NULL Pointer Dereference
affected:
{
collectionURL: https://gitee.com/src-openeuler
defaultStatus: unaffected
modules: network
packageName: kernel
platforms: Linux
product: kernel
programFiles: https://gitee.com/openeuler/kernel/blob/openEuler-1.0-LTS/net/sched/sch_cbs.c
repo: https://gitee.com/src-openeuler/kernel
vendor: openEuler
versions:
changes: [at: b2239f607df25fc401179e6dd4b7406f942a7632 net/sched: cbs: Fix not adding cbs instance to list, status: unaffected], lessThan: 4.19.90-2401.3, status: affected, version: 4.19.90, versionType: git
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 5.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL