CVE-2025-21762
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
arp: use RCU protection in arp_xmit()
arp_xmit() can be called without RTNL or RCU protection.
Use RCU protection to avoid potential UAF.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 29a26a56803855a79dbd028cd61abee56237d6e5 < 10f555e3f573d004ae9d89b3276abb58c4ede5c3 | affected |
| Linux | Linux | 29a26a56803855a79dbd028cd61abee56237d6e5 < 307cd1e2d3cb1cbc6c40c679cada6d7168b18431 | affected |
| Linux | Linux | 29a26a56803855a79dbd028cd61abee56237d6e5 < d9366ac2f956a1948b68c0500f84a3462ff2ed8a | affected |
| Linux | Linux | 29a26a56803855a79dbd028cd61abee56237d6e5 < f189654459423d4d48bef2d120b4bfba559e6039 | affected |
| Linux | Linux | 29a26a56803855a79dbd028cd61abee56237d6e5 < e9f4dee534eb1b225b0a120395ad9bc2afe164d3 | affected |
| Linux | Linux | 29a26a56803855a79dbd028cd61abee56237d6e5 < 01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe | affected |
| Linux | Linux | 29a26a56803855a79dbd028cd61abee56237d6e5 < 2c331718d3389b6c5f6855078ab7171849e016bd | affected |
| Linux | Linux | 29a26a56803855a79dbd028cd61abee56237d6e5 < a42b69f692165ec39db42d595f4f65a4c8f42e44 | affected |
| Linux | Linux | 4.4 | affected |
| Linux | Linux | 0 < 4.4 | unaffected |
| Linux | Linux | 5.4.291 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.235 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.179 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.129 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.79 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.16 <= 6.12.* | unaffected |
| Linux | Linux | 6.13.4 <= 6.13.* | unaffected |
| Linux | Linux | 6.14 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
CVE Program Container
Additional References
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
Additional References
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-503939.html
References
- https://git.kernel.org/stable/c/10f555e3f573d004ae9d89b3276abb58c4ede5c3
- https://git.kernel.org/stable/c/307cd1e2d3cb1cbc6c40c679cada6d7168b18431
- https://git.kernel.org/stable/c/d9366ac2f956a1948b68c0500f84a3462ff2ed8a
- https://git.kernel.org/stable/c/f189654459423d4d48bef2d120b4bfba559e6039
- https://git.kernel.org/stable/c/e9f4dee534eb1b225b0a120395ad9bc2afe164d3
- https://git.kernel.org/stable/c/01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe
- https://git.kernel.org/stable/c/2c331718d3389b6c5f6855078ab7171849e016bd
- https://git.kernel.org/stable/c/a42b69f692165ec39db42d595f4f65a4c8f42e44
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