CVE-2023-1390
Last modified
CVE-2023-1390 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. EPSS estimates a 5.10% chance of exploitation in the next 30 days.
Description
A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 4.3, < 4.9.253 | — |
| Linux | Linux Kernel | >= 4.10, < 4.14.217 | — |
| Linux | Linux Kernel | >= 4.15, < 4.19.170 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.92 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.10 | — |
| Linux | Linux Kernel | 5.11 | Rc1 |
References
- https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5Third Party Advisory
- https://github.com/torvalds/linux/commit/b77413446408fdd256599daf00d5be72b5f3e7c6Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230420-0001/Third Party Advisory
- https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5Third Party Advisory
- https://github.com/torvalds/linux/commit/b77413446408fdd256599daf00d5be72b5f3e7c6Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230420-0001/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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