Vulnerability in Linux Kernel
CVE-2023-2007
The specific flaw exists within the DPT I2O Controller driver. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the kernel.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (18.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000
Affected products
Weakness classification (CWE)
References
- github.com/torvalds/linux/commit/b04e75a4a8a81887386a0d2dbf605a48e779d2a0 (Patch)
- lists.debian.org/debian-lts-announce/2023/07/msg00030.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2023/dsa-5480 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/10/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20240119-0011/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-2007?
- CVE-2023-2007 is a high-severity vulnerability in Linux Kernel, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2023-04-24.
- How severe is CVE-2023-2007?
- High severity. CVSS v3 base score is 7.8 out of 10.