CVE-2021-33630
NULL-ptr-deref in network sched
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in b2239f607df25fc401179e6dd4b7406f942a7632 net/sched: cbs: Fix not adding cbs instance to list
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- kernel
From 4.19.90 · fixed in b2239f607df25fc401179e6dd4b7406f942a7632 net/sched: cbs: Fix not adding cbs instance to list
References 15
openeuler.org
gitee.com
git.kernel.org
openwall.com
- lists/oss-security/2024/01/30/3
- lists/oss-security/2024/01/30/4
- lists/oss-security/2024/01/30/5
- lists/oss-security/2024/01/30/9
- lists/oss-security/2024/01/30/10
- lists/oss-security/2024/01/31/3
- lists/oss-security/2024/01/31/2
- lists/oss-security/2024/02/02/6
- lists/oss-security/2024/02/02/9
- lists/oss-security/2024/02/03/1