CVE-2025-21848
What it is
In the Linux kernel, the following vulnerability has been resolved: nfp: bpf: Add check for nfp_app_ctrl_msg_alloc() Add check for the return value of nfp_app_ctrl_msg_alloc() in nfp_bpf_cmsg_alloc() to prevent null pointer dereference.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.3% 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: 0.3% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Modified
Affected
- Linux Kernel < 6.1.130
- Linux Kernel < 6.6.80
- Linux Kernel < 6.12.17
- Linux Kernel < 6.13.5
- Linux Kernel 6.14
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-2025-21848.md and follow it. Check whether this project is affected by CVE-2025-21848. 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/1358d8e07afdf21d49ca6f00c56048442977e00a
- https://git.kernel.org/stable/c/29ccb1e4040da6ff02b7e64efaa2f8e6bf06020d
- https://git.kernel.org/stable/c/878e7b11736e062514e58f3b445ff343e6705537
- https://git.kernel.org/stable/c/897c32cd763fd11d0b6ed024c52f44d2475bb820
- https://git.kernel.org/stable/c/924b239f9704566e0d86abd894d2d64bd73c11eb
- https://git.kernel.org/stable/c/bd97f60750bb581f07051f98e31dfda59d3a783b
- https://git.kernel.org/stable/c/d64c6ca420019712e194fe095b55f87363e22a9a
- https://git.kernel.org/stable/c/e976ea6c5e1b005c64467cbf94a8577aae9c7d81
References
- https://git.kernel.org/stable/c/1358d8e07afdf21d49ca6f00c56048442977e00a
- https://git.kernel.org/stable/c/29ccb1e4040da6ff02b7e64efaa2f8e6bf06020d
- https://git.kernel.org/stable/c/878e7b11736e062514e58f3b445ff343e6705537
- https://git.kernel.org/stable/c/897c32cd763fd11d0b6ed024c52f44d2475bb820
- https://git.kernel.org/stable/c/924b239f9704566e0d86abd894d2d64bd73c11eb
- https://git.kernel.org/stable/c/bd97f60750bb581f07051f98e31dfda59d3a783b
- https://git.kernel.org/stable/c/d64c6ca420019712e194fe095b55f87363e22a9a
- https://git.kernel.org/stable/c/e976ea6c5e1b005c64467cbf94a8577aae9c7d81
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html