CVE-2023-28466
HIGHCVSS 7/10EPSS 0.27%
Last modified
CVE-2023-28466 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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).. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
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).
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.13, <= 5.4.240 |
| Linux | Linux Kernel | >= 5.5, < 5.10.177 |
| Linux | Linux Kernel | >= 5.11, < 5.15.105 |
| Linux | Linux Kernel | >= 5.16, < 6.1.20 |
| Linux | Linux Kernel | >= 6.2, < 6.2.7 |
| Netapp | H300s | All versions |
| Netapp | H410c | All versions |
| Netapp | H410s | All versions |
| Netapp | H500s | All versions |
| Netapp | H700s | All versions |
| Debian | Debian Linux | 10.0 |
References
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230427-0006/Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230427-0006/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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).
How severe is CVE-2023-28466?
CVE-2023-28466 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2023-28466?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-28466?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST