CVE-2025-38704
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer access
In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer access In the preparation stage of CPU online, if the corresponding the rdp's->nocb_cb_kthread does not exist, will be created, there is a situation where the rdp's rcuop kthreads creation fails, and then de-offload this CPU's rdp, does not assign this CPU's rdp->nocb_cb_kthread pointer, but this rdp's->nocb_gp_rdp and rdp's->rdp_gp->nocb_gp_kthread is still valid. This will cause the subsequent re-offload operation of this offline CPU, which will pass the conditional check and the kthread_unpark() will access invalid rdp's->nocb_cb_kthread pointer. This commit therefore use rdp's->nocb_gp_kthread instead of rdp_gp's->nocb_gp_kthread for safety check.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3a5761dc025da47960755ac64d9fbf1c32e8cd80 | affected | git | b097ae798298885695c339d390b48b4e39619fa7 | Unavailable | None listed |
| 3a5761dc025da47960755ac64d9fbf1c32e8cd80 | affected | git | 3da45ec1e485a1a5ad31fe9ddd467c7ee5ae4ef9 | Unavailable | None listed |
| 3a5761dc025da47960755ac64d9fbf1c32e8cd80 | affected | git | cce3d027227c69e85896af9fbc6fa9af5c68f067 | Unavailable | None listed |
| 3a5761dc025da47960755ac64d9fbf1c32e8cd80 | affected | git | 1c951683a720b17c9ecaad1932bc95b29044611f | Unavailable | None listed |
| 3a5761dc025da47960755ac64d9fbf1c32e8cd80 | affected | git | 9b5ec8e6b31755288a07b3abeeab8cd38e9d3c9d | Unavailable | None listed |
| 3a5761dc025da47960755ac64d9fbf1c32e8cd80 | affected | git | 1bba3900ca18bdae28d1b9fa10f16a8f8cb2ada1 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.0 | Unavailable | None listed |
| 6.1.167 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.130 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.43 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.15.11 | unaffected | semver | Unavailable | 6.15.* | None listed |
| 6.16.2 | unaffected | semver | Unavailable | 6.16.* | None listed |
| 6.17 | unaffected | original_commit_for_fix | Unavailable | * | None listed |