CVE-2026-52988
Published: June 26, 2026Last modified: October 8, 2026
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.1 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.189-r0) |
| 25 LTS | linux-lts | Fixed (6.12.112-r0) | |
| Stream | linux-lts | Fixed (6.18.55-r0) |
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