Vulnerability in Kernel Selinux
CVE-2020-10751
A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing.
EPSS: 0.003 (27.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.
Affected products
- Kernel Selinux
- The Linux Foundation Kernel — versions before 5.7
- Redhat Enterprise_linux_server — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
Frequently asked questions
- What is CVE-2020-10751?
- CVE-2020-10751 is a medium-severity vulnerability in Kernel Selinux, classified under CWE-349. CVSS score: 6.1/10. Published 2020-05-26.
- How severe is CVE-2020-10751?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-10751 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.