جزئیات آسیب‌پذیری
CVE-2025-39848
Linux LinuxSiemens SIMATIC CN 4100
ax25: properly unshare skbs in ax25_kiss_rcv()
CVSS 3.1
8.8بالا
شرح رسمی (انگلیسی)
In the Linux kernel, the following vulnerability has been resolved: ax25: properly unshare skbs in ax25_kiss_rcv() Bernard Pidoux reported a regression apparently caused by commit c353e8983e0d ("net: introduce per netns packet chains"). skb->dev becomes NULL and we crash in __netif_receive_skb_core(). Before above commit, different kind of bugs or corruptions could happen without a major crash. But the root cause is that ax25_kiss_rcv() can queue/mangle input skb without checking if this skb is shared or not. Many thanks to Bernard Pidoux for his help, diagnosis and tests. We had a similar issue years ago fixed with commit 7aaed57c5c28 ("phonet: properly unshare skbs in phonet_rcv()").
امتیازهای CVSS
| امتیاز | نسخه | منبع | بردار |
|---|---|---|---|
| 8.8بالا | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
محصولات آسیب‌پذیر
| فروشنده | محصول | نسخه‌ها | منبع |
|---|---|---|---|
| Linux | Linux | 2.6.12 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 5b079be1b9da49ad88fc304c874d4be7085f7883 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 2bd0f67212908243ce88e35bf69fa77155b47b14 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 01a2984cb803f2d487b7074f9718db2bf3531f69 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 7d449b7a6c8ee434d10a483feed7c5c50108cf56 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 89064cf534bea4bb28c83fe6bbb26657b19dd5fe | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < b1c71d674a308d2fbc83efcf88bfc4217a86aa17 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 8156210d36a43e76372312c87eb5ea3dbb405a85 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 42b46684e2c78ee052d8c2ee8d9c2089233c9094 | CVEProject cvelistV5 (CNA) |
| Siemens | SIMATIC CN 4100 | v < V5.0 | CVEProject cvelistV5 (CNA) |
منابع و راهنماها
۱۱- https://git.kernel.org/stable/c/42b46684e2c78ee052d8c2ee8d9c2089233c9094
- https://git.kernel.org/stable/c/5b079be1b9da49ad88fc304c874d4be7085f7883
- https://git.kernel.org/stable/c/2bd0f67212908243ce88e35bf69fa77155b47b14
- https://git.kernel.org/stable/c/01a2984cb803f2d487b7074f9718db2bf3531f69
- https://git.kernel.org/stable/c/7d449b7a6c8ee434d10a483feed7c5c50108cf56
- https://git.kernel.org/stable/c/89064cf534bea4bb28c83fe6bbb26657b19dd5fe
- https://git.kernel.org/stable/c/b1c71d674a308d2fbc83efcf88bfc4217a86aa17
- https://git.kernel.org/stable/c/8156210d36a43e76372312c87eb5ea3dbb405a85
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
هشدار CVEهای بعدی این محصولمحصول را دنبال کنید تا آسیب‌پذیری‌های تازه را در تلگرام بگیرید.
اطلاعات
- تاریخ انتشار
- ۱۴۰۴/۰۶/۲۸
- آخرین به‌روزرسانی
- ۱۴۰۵/۰۵/۱۴
- وضعیت
- منتشرشده
- صادرکننده (CNA)
- Linux
پیش‌بینی بهره‌برداری (EPSS)
۰٫۲۴٪
احتمال بهره‌برداری در ۳۰ روز
۱۵٫۳٪
صدک (نسبت به همه‌ی CVEها)
ضعف‌ها (CWE)
- —