CVE-2025-38675
MEDIUM EPSS 1.1%
Published Aug 22, 202510mo ago · Modified Jun 17, 20261w ago
4.7 CVSS 3.1
Published Aug 22, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago
Description
In the Linux kernel, the following vulnerability has been resolved: xfrm: state: initialize state_ptrs earlier in xfrm_state_find In case of preemption, xfrm_state_look_at will find a different pcpu_id and look up states for that other CPU. If we matched a state for CPU2 in the state_cache while the lookup started on CPU1, we will jump to "found", but the "best" state that we got will be ignored and we will enter the "acquire" block. This block uses state_ptrs, which isn't initialized at this point. Let's initialize state_ptrs just after taking rcu_read_lock. This will also prevent a possible misuse in the future, if someone adjusts this function.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
EPSS Exploit Probability
1.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-362
Affected Products 9
References 3
- git.kernel.org https://git.kernel.org/stable/c/463562f9591742be62ddde3b426a0533ed496955
- git.kernel.org https://git.kernel.org/stable/c/6bf2daafc51bcb9272c0fdff2afd38217337d0d3
- git.kernel.org https://git.kernel.org/stable/c/94d077c331730510d5611b438640a292097341f0
Remediation
- git.kernel.org https://git.kernel.org/stable/c/463562f9591742be62ddde3b426a0533ed496955
- git.kernel.org https://git.kernel.org/stable/c/6bf2daafc51bcb9272c0fdff2afd38217337d0d3
- git.kernel.org https://git.kernel.org/stable/c/94d077c331730510d5611b438640a292097341f0