Security readout for executives and security teams
CVE-2023-6531 is a Linux kernel memory-safety flaw. A low-privileged local user could potentially trigger a race condition and gain serious confidentiality, integrity, and availability impact. It is most urgent for systems where untrusted local users, shell access, or container workloads share a vulnerable kernel. The bundle identifies Red Hat Enterprise Linux 9 kernel and kernel-rt as affected. Red Hat lists RHEL 6, 7, and 8 kernel variants as unaffected. Other Linux distributions should be checked against their own advisories; the bundle includes a Debian LTS advisory but does not enumerate all affected kernels. Treat as high priority for Linux fleets with shared execution environments or local user access. It is not described as remotely exploitable in the bundle, but successful exploitation could compromise the kernel. Patch during the next urgent maintenance window, sooner for multi-tenant or high-value systems. Mitigation focus: Apply vendor kernel updates, prioritizing affected RHEL 9 and kernel-rt systems.; Reboot systems after updating so the fixed kernel is running.; Check non-Red Hat Linux distributions against their vendor advisories..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-362: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-6531 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H15.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7HighVector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2024:2394CVE reference · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2023-6531CVE reference · vdb-entry, x_refsource_REDHAT
- RHBZ#2253034CVE reference · issue-tracking, x_refsource_REDHAT
- https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/CVE reference
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.htmlCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.