CVE-2026-23257
What it is
In the Linux kernel, the following vulnerability has been resolved: net: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup In setup_nic_devices(), the initialization loop jumps to the label setup_nic_dev_free on failure. The current cleanup loop while(i--) skip the failing index i, causing a memory leak. Fix this by changing the loop to iterate from the current index i down to 0. Also, decrement i in the devlink_alloc failure path to point to the last successfully allocated index. Compile tested only. Issue found using code review.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.1% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.1% · EPSS, next 30 days
- Weakness
- CWE-193
- Record status
- Analyzed
Affected
- Linux Kernel < 5.10.250
- Linux Kernel < 5.15.200
- Linux Kernel < 6.1.163
- Linux Kernel < 6.6.124
- Linux Kernel < 6.12.70
- Linux Kernel < 6.18.10
- Linux Kernel 6.19
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-23257.md and follow it. Check whether this project is affected by CVE-2026-23257. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/293eaad0d6d6b2a37a458c7deb7be345349cd963
- https://git.kernel.org/stable/c/8558aef4e8a1a83049ab906d21d391093cfa7e7f
- https://git.kernel.org/stable/c/a0d2389c8cdc1f05de5eb8663bffe9ed05dca769
- https://git.kernel.org/stable/c/af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d
- https://git.kernel.org/stable/c/d86c58eb005eb99da402452f3db7a6e0eae32815
- https://git.kernel.org/stable/c/f1216b80c9040a904d2ad7c8cd24ca0ff1f36932
- https://git.kernel.org/stable/c/f86bd16280a0f88b538394e0565c56ce4756da99
References
- https://git.kernel.org/stable/c/293eaad0d6d6b2a37a458c7deb7be345349cd963
- https://git.kernel.org/stable/c/8558aef4e8a1a83049ab906d21d391093cfa7e7f
- https://git.kernel.org/stable/c/a0d2389c8cdc1f05de5eb8663bffe9ed05dca769
- https://git.kernel.org/stable/c/af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d
- https://git.kernel.org/stable/c/d86c58eb005eb99da402452f3db7a6e0eae32815
- https://git.kernel.org/stable/c/f1216b80c9040a904d2ad7c8cd24ca0ff1f36932
- https://git.kernel.org/stable/c/f86bd16280a0f88b538394e0565c56ce4756da99