جزئیات آسیبپذیری
CVE-2026-43329
netfilter: flowtable: strictly check for maximum number of actions
شرح رسمی (انگلیسی)
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: * ethernet mangling (4 payload actions, 2 for each ethernet address) * SNAT (4 payload actions) * DNAT (4 payload actions) * Double VLAN (4 vlan actions, 2 for popping vlan, and 2 for pushing) for QinQ. * Redirect (1 action) Which makes 17, while the maximum is 16. But act_ct supports for tunnels actions too. Note that payload action operates at 32-bit word level, so mangling an IPv6 address takes 4 payload actions. Update flow_action_entry_next() calls to check for the maximum number of supported actions. While at it, rise the maximum number of actions per flow from 16 to 24 so this works fine with IPv6 setups.
امتیازهای CVSS
| امتیاز | نسخه | منبع | بردار |
|---|---|---|---|
| 7.8بالا | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 7.8بالا | 3.1 | CVEProject cvelistV5 (CNA) (redhat-SADP) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
محصولات آسیبپذیر
| فروشنده | محصول | نسخهها | منبع |
|---|---|---|---|
| Linux | Linux | 5.5 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | c29f74e0df7a02b8303bcdce93a7c0132d62577a ≤ v < fe9018d3e94329f1951b00805a8640bc06f56ead | CVEProject cvelistV5 (CNA) |
| Linux | Linux | c29f74e0df7a02b8303bcdce93a7c0132d62577a ≤ v < 5382bb03e9c33b089d60788478b922a2dca284cc | CVEProject cvelistV5 (CNA) |
| Linux | Linux | c29f74e0df7a02b8303bcdce93a7c0132d62577a ≤ v < 57c78bd2e2dd08897acd35b2bf8bcef322e36f5e | CVEProject cvelistV5 (CNA) |
| Linux | Linux | c29f74e0df7a02b8303bcdce93a7c0132d62577a ≤ v < 504c9456699dcf4d15195ef34a0fa94a80bfc877 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | c29f74e0df7a02b8303bcdce93a7c0132d62577a ≤ v < 879959a7a2be814dd57568655eafa3d8f4d0309e | CVEProject cvelistV5 (CNA) |
| Linux | Linux | c29f74e0df7a02b8303bcdce93a7c0132d62577a ≤ v < 76522fcdbc3a02b568f5d957f7e66fc194abb893 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | c29f74e0df7a02b8303bcdce93a7c0132d62577a ≤ v < ead66c77303f760f6c30be96e2e20d5a77cef614 | CVEProject cvelistV5 (CNA) |
| Red Hat | Red Hat Enterprise Linux 9 | همه | CVEProject cvelistV5 (CNA) |
| Red Hat | Red Hat OpenShift Container Platform 4 | همه | CVEProject cvelistV5 (CNA) |
منابع و راهنماها
۴۰- https://git.kernel.org/stable/c/ead66c77303f760f6c30be96e2e20d5a77cef614
- https://git.kernel.org/stable/c/fe9018d3e94329f1951b00805a8640bc06f56ead
- https://git.kernel.org/stable/c/5382bb03e9c33b089d60788478b922a2dca284cc
- https://git.kernel.org/stable/c/57c78bd2e2dd08897acd35b2bf8bcef322e36f5e
- https://git.kernel.org/stable/c/504c9456699dcf4d15195ef34a0fa94a80bfc877
- https://git.kernel.org/stable/c/879959a7a2be814dd57568655eafa3d8f4d0309e
- https://git.kernel.org/stable/c/76522fcdbc3a02b568f5d957f7e66fc194abb893
- https://access.redhat.com/security/cve/CVE-2026-43329 vdb-entryx_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2468124 issue-trackingx_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43329.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:47702 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:54187 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:43252 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:56911 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:56853 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:47727 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:44230 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:44231 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:44259 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:44262 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:40764 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:33215 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:23329 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:34095 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:27713 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:34094 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:30848 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:55618 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:26427 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:55762 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:35896 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:33899 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:35863 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:55761 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:55837 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:56224 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:56225 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:55763 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:26428 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:33900 vendor-advisoryx_refsource_REDHAT
اطلاعات
- تاریخ انتشار
- ۱۴۰۵/۰۲/۱۸
- آخرین بهروزرسانی
- ۱۴۰۵/۰۷/۲۷
- وضعیت
- منتشرشده
- صادرکننده (CNA)
- Linux
پیشبینی بهرهبرداری (EPSS)
ارزیابی SSVC (CISA)
- قابل خودکارسازی
- خیر
- وضعیت بهرهبرداری
- ندارد
- اثر فنی
- کامل
ضعفها (CWE)
- CWE-770Allocation of Resources Without Limits or Throttling
- CWE-122Heap-based Buffer Overflow