NULL pointer dereference in Linux Kernel
CVE-2023-28466
do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (17.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.9% 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
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit (Patch, Mailing List)
- security.netapp.com/advisory/ntap-20230427-0006/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/05/msg00005.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-28466?
- CVE-2023-28466 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.0/10. Published 2023-03-16.
- How severe is CVE-2023-28466?
- High severity. CVSS v3 base score is 7.0 out of 10.