CVE-2026-52988
What it is
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase Publish new hooks in the list into the basechain/flowtable using splice_list_rcu() to ensure netlink dump list traversal via rcu is safe while concurrent ruleset update is going on.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, 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: 7.1 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.1% · EPSS, next 30 days
- Weakness
- CWE-362 · Race condition
- Record status
- Modified
Affected
- Linux Kernel < 7.0.10
- Linux Kernel 7.1
Attack profile CVSS 3.1 · 7.1
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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-2026-52988.md and follow it. Check whether this project is affected by CVE-2026-52988. 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/1346be9379639c30877083b12747d4eacb83c24f
- https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400
References
- https://git.kernel.org/stable/c/00e370627f2e1fb3585f9d26348b1abddc75442b
- https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f
- https://git.kernel.org/stable/c/28ecfb3d1fe8dea70319de7051cb6718c25b5b52
- https://git.kernel.org/stable/c/5593c640f9daedec8de61555c41e1019fa675aa6
- https://git.kernel.org/stable/c/8fdd2204503ab1ce07dc000c277e2c3edf96a67b
- https://git.kernel.org/stable/c/a557816c6e38e9473d99aa9ea8c662f55fc85847
- https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400
- https://git.kernel.org/stable/c/ed8d3bd8272e49ea987100de2abfb13710329a9b