Vulnerability Description
A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on `struct net_device`, and a use-after-free can be triggered by racing between the free on the struct and the access through the `skbtxq` global queue. This could lead to a denial of service condition or potential code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 10.0 |
| Linux | Linux Kernel | < 6.9 |
| Fedoraproject | Fedora | 39 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-6270Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2256786Issue TrackingThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-6270Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2256786Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlThird Party Advisory
FAQ
What is CVE-2023-6270?
CVE-2023-6270 is a vulnerability with a CVSS score of 7.0 (HIGH). A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on `struct net_device`, and a use-after-free can be triggered b...
How severe is CVE-2023-6270?
CVE-2023-6270 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6270?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Linux Linux Kernel, Fedoraproject Fedora.